25317233464 has 8 divisors (see below), whose sum is σ = 47469812760. Its totient is φ = 12658616728.

The previous prime is 25317233443. The next prime is 25317233471. The reversal of 25317233464 is 46433271352.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582327084 + ... + 1582327099.

It is an arithmetic number, because the mean of its divisors is an integer number (5933726595).

Almost surely, 2^25317233464 is an apocalyptic number.

It is an amenable number.

25317233464 is a deficient number, since it is larger than the sum of its proper divisors (22152579296).

25317233464 is a wasteful number, since it uses less digits than its factorization.

25317233464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164654189 (or 3164654185 counting only the distinct ones).

The product of its digits is 362880, while the sum is 40.

The spelling of 25317233464 in words is "twenty-five billion, three hundred seventeen million, two hundred thirty-three thousand, four hundred sixty-four".