13154520919 has 2 divisors, whose sum is σ = 13154520920. Its totient is φ = 13154520918.

The previous prime is 13154520859. The next prime is 13154520947. The reversal of 13154520919 is 91902545131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13154520919 - 2²⁵ = 13120966487 is a prime.

It is a super-2 number, since 2×13154520919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13154520979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577260459 + 6577260460.

It is an arithmetic number, because the mean of its divisors is an integer number (6577260460).

Almost surely, 2^13154520919 is an apocalyptic number.

13154520919 is a deficient number, since it is larger than the sum of its proper divisors (1).

13154520919 is an equidigital number, since it uses as much as digits as its factorization.

13154520919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 13154520919 in words is "thirteen billion, one hundred fifty-four million, five hundred twenty thousand, nine hundred nineteen".