18745670679 has 16 divisors (see below), whose sum is σ = 25540538880. Its totient is φ = 12224260800.

The previous prime is 18745670663. The next prime is 18745670717. The reversal of 18745670679 is 97607654781.

It is not a de Polignac number, because 18745670679 - 2⁴ = 18745670663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18745670609) by changing a digit.

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, 217032 + ... + 290850.

It is an arithmetic number, because the mean of its divisors is an integer number (1596283680).

Almost surely, 2^18745670679 is an apocalyptic number.

18745670679 is a deficient number, since it is larger than the sum of its proper divisors (6794868201).

18745670679 is a wasteful number, since it uses less digits than its factorization.

18745670679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75670.

The product of its (nonzero) digits is 17781120, while the sum is 60.

The spelling of 18745670679 in words is "eighteen billion, seven hundred forty-five million, six hundred seventy thousand, six hundred seventy-nine".