25298794804 has 18 divisors (see below), whose sum is σ = 46725685314. Its totient is φ = 11983638960.

The previous prime is 25298794739. The next prime is 25298794813. The reversal of 25298794804 is 40849789252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24821372304 + 477422500 = 157548^2 + 21850^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8758527 + ... + 8761414.

Almost surely, 2^25298794804 is an apocalyptic number.

It is an amenable number.

25298794804 is a deficient number, since it is larger than the sum of its proper divisors (21426890510).

25298794804 is a wasteful number, since it uses less digits than its factorization.

25298794804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17519983 (or 17519962 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 25298794804 in words is "twenty-five billion, two hundred ninety-eight million, seven hundred ninety-four thousand, eight hundred four".