12810295764 has 36 divisors (see below), whose sum is σ = 37007521824. Its totient is φ = 3660084432.

The previous prime is 12810295747. The next prime is 12810295769. The reversal of 12810295764 is 46759201821.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12810295764² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810295769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25417002 + ... + 25417505.

Almost surely, 2^12810295764 is an apocalyptic number.

12810295764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12810295764 is an abundant number, since it is smaller than the sum of its proper divisors (24197226060).

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

12810295764 is a wasteful number, since it uses less digits than its factorization.

12810295764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50834524 (or 50834519 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 12810295764 in words is "twelve billion, eight hundred ten million, two hundred ninety-five thousand, seven hundred sixty-four".