13642235012564 has 12 divisors (see below), whose sum is σ = 23873993640000. Its totient is φ = 6821093972568.

The previous prime is 13642235012561. The next prime is 13642235012639. The reversal of 13642235012564 is 46521053224631.

It is a super-2 number, since 2×13642235012564² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642235012561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4545314 + ... + 6924185.

It is an arithmetic number, because the mean of its divisors is an integer number (1989499470000).

Almost surely, 2^{13642235012564} is an apocalyptic number.

It is an amenable number.

13642235012564 is a deficient number, since it is larger than the sum of its proper divisors (10231758627436).

13642235012564 is a wasteful number, since it uses less digits than its factorization.

13642235012564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11766862 (or 11766860 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 13642235012564 in words is "thirteen trillion, six hundred forty-two billion, two hundred thirty-five million, twelve thousand, five hundred sixty-four".