25713063770 has 24 divisors (see below), whose sum is σ = 47824711092. Its totient is φ = 9953440320.

The previous prime is 25713063743. The next prime is 25713063787. The reversal of 25713063770 is 7736031752.

It can be written as a sum of positive squares in 2 ways, for example, as 24829250329 + 883813441 = 157573^2 + 29729^2 .

It is a super-2 number, since 2×25713063770² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1328219 + ... + 1347438.

Almost surely, 2^25713063770 is an apocalyptic number.

25713063770 is a deficient number, since it is larger than the sum of its proper divisors (22111647322).

25713063770 is a wasteful number, since it uses less digits than its factorization.

25713063770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675726 (or 2675695 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The spelling of 25713063770 in words is "twenty-five billion, seven hundred thirteen million, sixty-three thousand, seven hundred seventy".