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468759786374861 is a prime number
BaseRepresentation
bin110101010010101011010010…
…0100011010100011011001101
32021110201222221111010221212022
41222211112210203110123031
5442420130020302443421
64340545134544215525
7200510530331465612
oct15245264443243315
92243658844127768
10468759786374861
111263a79aa958993
12446a895400a5a5
1317173b2056c5a7
1483a8147c8a509
15392d7b78057ab
hex1aa55a48d46cd

468759786374861 has 2 divisors, whose sum is σ = 468759786374862. Its totient is φ = 468759786374860.

The previous prime is 468759786374849. The next prime is 468759786374903. The reversal of 468759786374861 is 168473687957864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450592533937225 + 18167252437636 = 21227165^2 + 4262306^2 .

It is a cyclic number.

It is not a de Polignac number, because 468759786374861 - 230 = 468758712633037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (468759786374261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234379893187430 + 234379893187431.

It is an arithmetic number, because the mean of its divisors is an integer number (234379893187431).

Almost surely, 2468759786374861 is an apocalyptic number.

It is an amenable number.

468759786374861 is a deficient number, since it is larger than the sum of its proper divisors (1).

468759786374861 is an equidigital number, since it uses as much as digits as its factorization.

468759786374861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81935400960, while the sum is 89.

The spelling of 468759786374861 in words is "four hundred sixty-eight trillion, seven hundred fifty-nine billion, seven hundred eighty-six million, three hundred seventy-four thousand, eight hundred sixty-one".