25749046996 has 12 divisors (see below), whose sum is σ = 45064689460. Its totient is φ = 12873421440.

The previous prime is 25749046987. The next prime is 25749047003. The reversal of 25749046996 is 69964094752.

It can be written as a sum of positive squares in 2 ways, for example, as 2541571396 + 23207475600 = 50414^2 + 152340^2 .

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, 221781 + ... + 317308.

Almost surely, 2^25749046996 is an apocalyptic number.

It is an amenable number.

25749046996 is a deficient number, since it is larger than the sum of its proper divisors (19315642464).

25749046996 is a wasteful number, since it uses less digits than its factorization.

25749046996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551034 (or 551032 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 25749046996 in words is "twenty-five billion, seven hundred forty-nine million, forty-six thousand, nine hundred ninety-six".