18702740099 has 16 divisors (see below), whose sum is σ = 19641802752. Its totient is φ = 17774426208.

The previous prime is 18702740047. The next prime is 18702740137. The reversal of 18702740099 is 99004720781.

It is a cyclic number.

It is not a de Polignac number, because 18702740099 - 2⁸ = 18702739843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18702740029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3907862 + ... + 3912644.

It is an arithmetic number, because the mean of its divisors is an integer number (1227612672).

Almost surely, 2^18702740099 is an apocalyptic number.

18702740099 is a deficient number, since it is larger than the sum of its proper divisors (939062653).

18702740099 is a wasteful number, since it uses less digits than its factorization.

18702740099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5866.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 18702740099 in words is "eighteen billion, seven hundred two million, seven hundred forty thousand, ninety-nine".