12910869933 has 64 divisors (see below), whose sum is σ = 19599390720. Its totient is φ = 7500480768.

The previous prime is 12910869899. The next prime is 12910869941. The reversal of 12910869933 is 33996801921.

It is a happy number.

It is not a de Polignac number, because 12910869933 - 2⁹ = 12910869421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12910869943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33189703 + ... + 33190091.

It is an arithmetic number, because the mean of its divisors is an integer number (306240480).

Almost surely, 2^12910869933 is an apocalyptic number.

12910869933 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12910869933 is a deficient number, since it is larger than the sum of its proper divisors (6688520787).

12910869933 is a wasteful number, since it uses less digits than its factorization.

12910869933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 12910869933 in words is "twelve billion, nine hundred ten million, eight hundred sixty-nine thousand, nine hundred thirty-three".