13319426409025 has 24 divisors (see below), whose sum is σ = 18023708087424. Its totient is φ = 9683545502400.

The previous prime is 13319426409019. The next prime is 13319426409067. The reversal of 13319426409025 is 52090462491331.

It is not a de Polignac number, because 13319426409025 - 2⁵ = 13319426408993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13319426409025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7468782 + ... + 9078631.

It is an arithmetic number, because the mean of its divisors is an integer number (750987836976).

Almost surely, 2^{13319426409025} is an apocalyptic number.

It is an amenable number.

13319426409025 is a deficient number, since it is larger than the sum of its proper divisors (4704281678399).

13319426409025 is a wasteful number, since it uses less digits than its factorization.

13319426409025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16550361 (or 16550356 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 13319426409025 in words is "thirteen trillion, three hundred nineteen billion, four hundred twenty-six million, four hundred nine thousand, twenty-five".