18946359485922 has 64 divisors (see below), whose sum is σ = 43770023789184. Its totient is φ = 5403485936640.

The previous prime is 18946359485903. The next prime is 18946359485981. The reversal of 18946359485922 is 22958495364981.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66159468 + ... + 66445224.

It is an arithmetic number, because the mean of its divisors is an integer number (683906621706).

Almost surely, 2^{18946359485922} is an apocalyptic number.

18946359485922 is an abundant number, since it is smaller than the sum of its proper divisors (24823664303262).

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

18946359485922 is a wasteful number, since it uses less digits than its factorization.

18946359485922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344883.

The product of its digits is 1343692800, while the sum is 75.

The spelling of 18946359485922 in words is "eighteen trillion, nine hundred forty-six billion, three hundred fifty-nine million, four hundred eighty-five thousand, nine hundred twenty-two".