25634063364 has 48 divisors (see below), whose sum is σ = 73615774848. Its totient is φ = 6760631808.

The previous prime is 25634063327. The next prime is 25634063383. The reversal of 25634063364 is 46336043652.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11736117 + ... + 11738300.

It is an arithmetic number, because the mean of its divisors is an integer number (1533661976).

Almost surely, 2^25634063364 is an apocalyptic number.

It is an amenable number.

25634063364 is an abundant number, since it is smaller than the sum of its proper divisors (47981711484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25634063364 is a wasteful number, since it uses less digits than its factorization.

25634063364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23474444 (or 23474442 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 25634063364 in words is "twenty-five billion, six hundred thirty-four million, sixty-three thousand, three hundred sixty-four".