25064969064 has 16 divisors (see below), whose sum is σ = 62662422720. Its totient is φ = 8354989680.

The previous prime is 25064969063. The next prime is 25064969077. The reversal of 25064969064 is 46096946052.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25064968998 and 25064969016.

It is not an unprimeable number, because it can be changed into a prime (25064969063) 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, 522186832 + ... + 522186879.

It is an arithmetic number, because the mean of its divisors is an integer number (3916401420).

Almost surely, 2^25064969064 is an apocalyptic number.

25064969064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25064969064 is an abundant number, since it is smaller than the sum of its proper divisors (37597453656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25064969064 is a wasteful number, since it uses less digits than its factorization.

25064969064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044373720 (or 1044373716 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 25064969064 in words is "twenty-five billion, sixty-four million, nine hundred sixty-nine thousand, sixty-four".