13456324513 has 4 divisors (see below), whose sum is σ = 13458197808. Its totient is φ = 13454451220.

The previous prime is 13456324493. The next prime is 13456324529. The reversal of 13456324513 is 31542365431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31542365431 = 37 ⋅852496363.

It is a cyclic number.

It is not a de Polignac number, because 13456324513 - 2²⁹ = 12919453601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13456324543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925831 + ... + 940252.

It is an arithmetic number, because the mean of its divisors is an integer number (3364549452).

Almost surely, 2^13456324513 is an apocalyptic number.

It is an amenable number.

13456324513 is a deficient number, since it is larger than the sum of its proper divisors (1873295).

13456324513 is an equidigital number, since it uses as much as digits as its factorization.

13456324513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873294.

The product of its digits is 129600, while the sum is 37.

Adding to 13456324513 its reverse (31542365431), we get a palindrome (44998689944).

The spelling of 13456324513 in words is "thirteen billion, four hundred fifty-six million, three hundred twenty-four thousand, five hundred thirteen".