25052902893 has 12 divisors (see below), whose sum is σ = 36870310620. Its totient is φ = 16386804096.

The previous prime is 25052902817. The next prime is 25052902909. The reversal of 25052902893 is 39820925052.

25052902893 is a `hidden beast` number, since 250 + 5 + 290 + 28 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17530289604 + 7522613289 = 132402^2 + 86733^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25052902893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052902813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26260428 + ... + 26261381.

It is an arithmetic number, because the mean of its divisors is an integer number (3072525885).

Almost surely, 2^25052902893 is an apocalyptic number.

It is an amenable number.

25052902893 is a deficient number, since it is larger than the sum of its proper divisors (11817407727).

25052902893 is a wasteful number, since it uses less digits than its factorization.

25052902893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52521868 (or 52521865 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 25052902893 in words is "twenty-five billion, fifty-two million, nine hundred two thousand, eight hundred ninety-three".