12923502889 has 8 divisors (see below), whose sum is σ = 14214883680. Its totient is φ = 11748637780.

The previous prime is 12923502887. The next prime is 12923502941. The reversal of 12923502889 is 98820532921.

It is not a de Polignac number, because 12923502889 - 2¹ = 12923502887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12923502887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853479 + ... + 4856140.

It is an arithmetic number, because the mean of its divisors is an integer number (1776860460).

Almost surely, 2^12923502889 is an apocalyptic number.

It is an amenable number.

12923502889 is a deficient number, since it is larger than the sum of its proper divisors (1291380791).

12923502889 is an frugal number, since it uses more digits than its factorization.

12923502889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709652 (or 9709630 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 12923502889 in words is "twelve billion, nine hundred twenty-three million, five hundred two thousand, eight hundred eighty-nine".