18052823959 has 4 divisors (see below), whose sum is σ = 18675335160. Its totient is φ = 17430312760.

The previous prime is 18052823941. The next prime is 18052823977. The reversal of 18052823959 is 95932825081.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (18052823941) and next prime (18052823977).

It is a cyclic number.

It is not a de Polignac number, because 18052823959 - 2²³ = 18044435351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18059823959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311255557 + ... + 311255614.

It is an arithmetic number, because the mean of its divisors is an integer number (4668833790).

Almost surely, 2^18052823959 is an apocalyptic number.

18052823959 is a deficient number, since it is larger than the sum of its proper divisors (622511201).

18052823959 is an equidigital number, since it uses as much as digits as its factorization.

18052823959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622511200.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 18052823959 in words is "eighteen billion, fifty-two million, eight hundred twenty-three thousand, nine hundred fifty-nine".