13156892017 has 2 divisors, whose sum is σ = 13156892018. Its totient is φ = 13156892016.

The previous prime is 13156891997. The next prime is 13156892051. The reversal of 13156892017 is 71029865131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10415427136 + 2741464881 = 102056^2 + 52359^2 .

It is a cyclic number.

It is not a de Polignac number, because 13156892017 - 2²⁷ = 13022674289 is a prime.

It is a super-3 number, since 3×13156892017³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13156872017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6578446008 + 6578446009.

It is an arithmetic number, because the mean of its divisors is an integer number (6578446009).

Almost surely, 2^13156892017 is an apocalyptic number.

It is an amenable number.

13156892017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13156892017 is an equidigital number, since it uses as much as digits as its factorization.

13156892017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 13156892017 in words is "thirteen billion, one hundred fifty-six million, eight hundred ninety-two thousand, seventeen".