25054746964 has 24 divisors (see below), whose sum is σ = 48741744128. Its totient is φ = 11190705120.

The previous prime is 25054746961. The next prime is 25054746991. The reversal of 25054746964 is 46964745052.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25054746961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7769712 + ... + 7772935.

Almost surely, 2^25054746964 is an apocalyptic number.

It is an amenable number.

25054746964 is a deficient number, since it is larger than the sum of its proper divisors (23686997164).

25054746964 is a wasteful number, since it uses less digits than its factorization.

25054746964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15542695 (or 15542693 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 25054746964 in words is "twenty-five billion, fifty-four million, seven hundred forty-six thousand, nine hundred sixty-four".