12437385564 has 24 divisors (see below), whose sum is σ = 29040497920. Its totient is φ = 4142947824.

The previous prime is 12437385563. The next prime is 12437385581. The reversal of 12437385564 is 46558373421.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12437385563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337684 + ... + 372699.

Almost surely, 2^12437385564 is an apocalyptic number.

It is an amenable number.

12437385564 is an abundant number, since it is smaller than the sum of its proper divisors (16603112356).

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

12437385564 is a wasteful number, since it uses less digits than its factorization.

12437385564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711849 (or 711847 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 12437385564 in words is "twelve billion, four hundred thirty-seven million, three hundred eighty-five thousand, five hundred sixty-four".