13621742364860 has 72 divisors (see below), whose sum is σ = 33279417010224. Its totient is φ = 4669827966720.

The previous prime is 13621742364833. The next prime is 13621742364883. The reversal of 13621742364860 is 6846324712631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8811647 + ... + 10241513.

It is an arithmetic number, because the mean of its divisors is an integer number (462214125142).

Almost surely, 2^{13621742364860} is an apocalyptic number.

13621742364860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13621742364860 is an abundant number, since it is smaller than the sum of its proper divisors (19657674645364).

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

13621742364860 is a wasteful number, since it uses less digits than its factorization.

13621742364860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439611 (or 1439602 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 13621742364860 in words is "thirteen trillion, six hundred twenty-one billion, seven hundred forty-two million, three hundred sixty-four thousand, eight hundred sixty".