18037979959 has 8 divisors (see below), whose sum is σ = 18122270400. Its totient is φ = 17953748736.

The previous prime is 18037979941. The next prime is 18037979969. The reversal of 18037979959 is 95997973081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18037979959 - 2¹¹ = 18037977911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18037979894 and 18037979903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18037979969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668767 + ... + 695215.

It is an arithmetic number, because the mean of its divisors is an integer number (2265283800).

Almost surely, 2^18037979959 is an apocalyptic number.

18037979959 is a deficient number, since it is larger than the sum of its proper divisors (84290441).

18037979959 is a wasteful number, since it uses less digits than its factorization.

18037979959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29609.

The product of its (nonzero) digits is 38578680, while the sum is 67.

The spelling of 18037979959 in words is "eighteen billion, thirty-seven million, nine hundred seventy-nine thousand, nine hundred fifty-nine".