12889737464 has 32 divisors (see below), whose sum is σ = 25258504320. Its totient is φ = 6155013216.

The previous prime is 12889737457. The next prime is 12889737499. The reversal of 12889737464 is 46473798821.

It is a super-2 number, since 2×12889737464² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63839 + ... + 172785.

It is an arithmetic number, because the mean of its divisors is an integer number (789328260).

Almost surely, 2^12889737464 is an apocalyptic number.

It is an amenable number.

12889737464 is a deficient number, since it is larger than the sum of its proper divisors (12368766856).

12889737464 is a wasteful number, since it uses less digits than its factorization.

12889737464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109619 (or 109615 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 59.

The spelling of 12889737464 in words is "twelve billion, eight hundred eighty-nine million, seven hundred thirty-seven thousand, four hundred sixty-four".