18357406190013 has 32 divisors (see below), whose sum is σ = 26717856625152. Its totient is φ = 11118962888000.

The previous prime is 18357406189999. The next prime is 18357406190033. The reversal of 18357406190013 is 31009160475381.

It is not a de Polignac number, because 18357406190013 - 2²¹ = 18357404092861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18357406190033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557400295 + ... + 557433227.

It is an arithmetic number, because the mean of its divisors is an integer number (834933019536).

Almost surely, 2^{18357406190013} is an apocalyptic number.

It is an amenable number.

18357406190013 is a deficient number, since it is larger than the sum of its proper divisors (8360450435139).

18357406190013 is a wasteful number, since it uses less digits than its factorization.

18357406190013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42665.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 18357406190013 in words is "eighteen trillion, three hundred fifty-seven billion, four hundred six million, one hundred ninety thousand, thirteen".