25326635345 has 16 divisors (see below), whose sum is σ = 33231824640. Its totient is φ = 18376617600.

The previous prime is 25326635329. The next prime is 25326635381. The reversal of 25326635345 is 54353662352.

It is not a de Polignac number, because 25326635345 - 2⁴ = 25326635329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25326635296 and 25326635305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510500 + ... + 557909.

It is an arithmetic number, because the mean of its divisors is an integer number (2076989040).

Almost surely, 2^25326635345 is an apocalyptic number.

It is an amenable number.

25326635345 is a deficient number, since it is larger than the sum of its proper divisors (7905189295).

25326635345 is a wasteful number, since it uses less digits than its factorization.

25326635345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068856.

The product of its digits is 1944000, while the sum is 44.

The spelling of 25326635345 in words is "twenty-five billion, three hundred twenty-six million, six hundred thirty-five thousand, three hundred forty-five".