13528915964917 has 2 divisors, whose sum is σ = 13528915964918. Its totient is φ = 13528915964916.

The previous prime is 13528915964897. The next prime is 13528915964959. The reversal of 13528915964917 is 71946951982531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12523961844241 + 1004954120676 = 3538921^2 + 1002474^2 .

It is a cyclic number.

It is not a de Polignac number, because 13528915964917 - 2⁷ = 13528915964789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13528915964987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6764457982458 + 6764457982459.

It is an arithmetic number, because the mean of its divisors is an integer number (6764457982459).

Almost surely, 2^{13528915964917} is an apocalyptic number.

It is an amenable number.

13528915964917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13528915964917 is an equidigital number, since it uses as much as digits as its factorization.

13528915964917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146966400, while the sum is 70.

The spelling of 13528915964917 in words is "thirteen trillion, five hundred twenty-eight billion, nine hundred fifteen million, nine hundred sixty-four thousand, nine hundred seventeen".