18873749092 has 48 divisors (see below), whose sum is σ = 36614882304. Its totient is φ = 8440628000.

The previous prime is 18873749077. The next prime is 18873749107. The reversal of 18873749092 is 29094737881.

It is an interprime number because it is at equal distance from previous prime (18873749077) and next prime (18873749107).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1565367 + ... + 1577377.

It is an arithmetic number, because the mean of its divisors is an integer number (762810048).

Almost surely, 2^18873749092 is an apocalyptic number.

It is an amenable number.

18873749092 is a deficient number, since it is larger than the sum of its proper divisors (17741133212).

18873749092 is a wasteful number, since it uses less digits than its factorization.

18873749092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600 (or 12598 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 18873749092 in words is "eighteen billion, eight hundred seventy-three million, seven hundred forty-nine thousand, ninety-two".