18614715889 has 12 divisors (see below), whose sum is σ = 23622385968. Its totient is φ = 14504973000.

The previous prime is 18614715883. The next prime is 18614715907. The reversal of 18614715889 is 98851741681.

It is not a de Polignac number, because 18614715889 - 2⁷ = 18614715761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18614715883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17267287 + ... + 17268364.

It is an arithmetic number, because the mean of its divisors is an integer number (1968532164).

Almost surely, 2^18614715889 is an apocalyptic number.

It is an amenable number.

18614715889 is a deficient number, since it is larger than the sum of its proper divisors (5007670079).

18614715889 is a wasteful number, since it uses less digits than its factorization.

18614715889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34535676 (or 34535669 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 58.

The spelling of 18614715889 in words is "eighteen billion, six hundred fourteen million, seven hundred fifteen thousand, eight hundred eighty-nine".