12819554924 has 24 divisors (see below), whose sum is σ = 24571221696. Its totient is φ = 5803850000.

The previous prime is 12819554903. The next prime is 12819554941. The reversal of 12819554924 is 42945591821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569342 + ... + 591429.

It is an arithmetic number, because the mean of its divisors is an integer number (1023800904).

Almost surely, 2^12819554924 is an apocalyptic number.

It is an amenable number.

12819554924 is a deficient number, since it is larger than the sum of its proper divisors (11751666772).

12819554924 is a wasteful number, since it uses less digits than its factorization.

12819554924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161037 (or 1161035 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 50.

The spelling of 12819554924 in words is "twelve billion, eight hundred nineteen million, five hundred fifty-four thousand, nine hundred twenty-four".