25394934364 has 12 divisors (see below), whose sum is σ = 44442323800. Its totient is φ = 12697127568.

The previous prime is 25394934343. The next prime is 25394934401. The reversal of 25394934364 is 46343949352.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165202 + ... + 279430.

Almost surely, 2^25394934364 is an apocalyptic number.

It is an amenable number.

25394934364 is a deficient number, since it is larger than the sum of its proper divisors (19047389436).

25394934364 is a wasteful number, since it uses less digits than its factorization.

25394934364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169812 (or 169810 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 52.

The spelling of 25394934364 in words is "twenty-five billion, three hundred ninety-four million, nine hundred thirty-four thousand, three hundred sixty-four".