25236134979364 has 9 divisors (see below), whose sum is σ = 44163253796347. Its totient is φ = 12618062466124.

The previous prime is 25236134979347. The next prime is 25236134979371. The reversal of 25236134979364 is 46397943163252.

It is a happy number.

The square root of 25236134979364 is 5023558.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25236134979296 and 25236134979305.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8791227 + ... + 11303005.

Almost surely, 2^{25236134979364} is an apocalyptic number.

25236134979364 is the 5023558-th square number.

It is an amenable number.

25236134979364 is a deficient number, since it is larger than the sum of its proper divisors (18927118816983).

25236134979364 is an frugal number, since it uses more digits than its factorization.

25236134979364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023562 (or 2511781 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 64.

The spelling of 25236134979364 in words is "twenty-five trillion, two hundred thirty-six billion, one hundred thirty-four million, nine hundred seventy-nine thousand, three hundred sixty-four".