13151520413 has 2 divisors, whose sum is σ = 13151520414. Its totient is φ = 13151520412.

The previous prime is 13151520391. The next prime is 13151520419. The reversal of 13151520413 is 31402515131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7348432729 + 5803087684 = 85723^2 + 76178^2 .

It is a cyclic number.

It is not a de Polignac number, because 13151520413 - 2⁸ = 13151520157 is a prime.

It is a super-4 number, since 4×13151520413⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13151520419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575760206 + 6575760207.

It is an arithmetic number, because the mean of its divisors is an integer number (6575760207).

Almost surely, 2^13151520413 is an apocalyptic number.

It is an amenable number.

13151520413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151520413 is an equidigital number, since it uses as much as digits as its factorization.

13151520413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 13151520413 in words is "thirteen billion, one hundred fifty-one million, five hundred twenty thousand, four hundred thirteen".