18945852079 has 32 divisors (see below), whose sum is σ = 25420372992. Its totient is φ = 13666752000.

The previous prime is 18945852059. The next prime is 18945852103. The reversal of 18945852079 is 97025854981.

It is not a de Polignac number, because 18945852079 - 2¹⁷ = 18945721007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18945852019) 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, 38787 + ... + 198484.

It is an arithmetic number, because the mean of its divisors is an integer number (794386656).

Almost surely, 2^18945852079 is an apocalyptic number.

18945852079 is a deficient number, since it is larger than the sum of its proper divisors (6474520913).

18945852079 is a wasteful number, since it uses less digits than its factorization.

18945852079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237367.

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 18945852079 in words is "eighteen billion, nine hundred forty-five million, eight hundred fifty-two thousand, seventy-nine".