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7972863034469 is a prime number
BaseRepresentation
bin111010000000101001110…
…1010110100010001100101
31001020012100112101201102212
41310001103222310101211
52021111410414100334
624542403244413205
71452006656421524
oct164012352642145
931205315351385
107972863034469
1125a42aa3703a3
12a8923b847205
1345aab77294c8
141d7c625864bb
15dc5d4877ece
hex74053ab4465

7972863034469 has 2 divisors, whose sum is σ = 7972863034470. Its totient is φ = 7972863034468.

The previous prime is 7972863034429. The next prime is 7972863034561. The reversal of 7972863034469 is 9644303682797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6856343245444 + 1116519789025 = 2618462^2 + 1056655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7972863034469 is a prime.

It is a super-2 number, since 2×79728630344692 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7972863034399 and 7972863034408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7972863034429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986431517234 + 3986431517235.

It is an arithmetic number, because the mean of its divisors is an integer number (3986431517235).

Almost surely, 27972863034469 is an apocalyptic number.

It is an amenable number.

7972863034469 is a deficient number, since it is larger than the sum of its proper divisors (1).

7972863034469 is an equidigital number, since it uses as much as digits as its factorization.

7972863034469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329204736, while the sum is 68.

The spelling of 7972863034469 in words is "seven trillion, nine hundred seventy-two billion, eight hundred sixty-three million, thirty-four thousand, four hundred sixty-nine".