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10640342813 is a prime number
BaseRepresentation
bin10011110100011011…
…01011111100011101
31000110112200102022212
421322031223330131
5133242411432223
64515455250205
7524451264422
oct117215537435
930415612285
1010640342813
114570218051
12208b519965
13100756c949
1472d20bd49
154241e9278
hex27a36bf1d

10640342813 has 2 divisors, whose sum is σ = 10640342814. Its totient is φ = 10640342812.

The previous prime is 10640342773. The next prime is 10640342827. The reversal of 10640342813 is 31824304601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8861021689 + 1779321124 = 94133^2 + 42182^2 .

It is a cyclic number.

It is not a de Polignac number, because 10640342813 - 224 = 10623565597 is a prime.

It is a super-2 number, since 2×106403428132 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10640342813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10640342873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320171406 + 5320171407.

It is an arithmetic number, because the mean of its divisors is an integer number (5320171407).

Almost surely, 210640342813 is an apocalyptic number.

It is an amenable number.

10640342813 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640342813 is an equidigital number, since it uses as much as digits as its factorization.

10640342813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 10640342813 in words is "ten billion, six hundred forty million, three hundred forty-two thousand, eight hundred thirteen".