25254670964 has 12 divisors (see below), whose sum is σ = 44492290500. Its totient is φ = 12542587968.

The previous prime is 25254670963. The next prime is 25254670997. The reversal of 25254670964 is 46907645252.

It can be written as a sum of positive squares in 2 ways, for example, as 1186251364 + 24068419600 = 34442^2 + 155140^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254670963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21186209 + ... + 21187400.

It is an arithmetic number, because the mean of its divisors is an integer number (3707690875).

Almost surely, 2^25254670964 is an apocalyptic number.

It is an amenable number.

25254670964 is a deficient number, since it is larger than the sum of its proper divisors (19237619536).

25254670964 is a wasteful number, since it uses less digits than its factorization.

25254670964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42373762 (or 42373760 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 25254670964 in words is "twenty-five billion, two hundred fifty-four million, six hundred seventy thousand, nine hundred sixty-four".