25390564913 has 8 divisors (see below), whose sum is σ = 29030015232. Its totient is φ = 21754171296.

The previous prime is 25390564891. The next prime is 25390564949. The reversal of 25390564913 is 31946509352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25390564913 - 2¹⁰ = 25390563889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25390564963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746345 + ... + 779622.

It is an arithmetic number, because the mean of its divisors is an integer number (3628751904).

Almost surely, 2^25390564913 is an apocalyptic number.

It is an amenable number.

25390564913 is a deficient number, since it is larger than the sum of its proper divisors (3639450319).

25390564913 is a wasteful number, since it uses less digits than its factorization.

25390564913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528351.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 25390564913 in words is "twenty-five billion, three hundred ninety million, five hundred sixty-four thousand, nine hundred thirteen".