18418470392983 has 8 divisors (see below), whose sum is σ = 18575049572352. Its totient is φ = 18262071711576.

The previous prime is 18418470392957. The next prime is 18418470392999. The reversal of 18418470392983 is 38929307481481.

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 18418470392983 - 2²⁵ = 18418436838551 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 (18418470342983) 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 7 ways as a sum of consecutive naturals, for example, 44919535 + ... + 45327712.

It is an arithmetic number, because the mean of its divisors is an integer number (2321881196544).

Almost surely, 2^{18418470392983} is an apocalyptic number.

18418470392983 is a deficient number, since it is larger than the sum of its proper divisors (156579179369).

18418470392983 is a wasteful number, since it uses less digits than its factorization.

18418470392983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90248981.

The product of its (nonzero) digits is 83607552, while the sum is 67.

The spelling of 18418470392983 in words is "eighteen trillion, four hundred eighteen billion, four hundred seventy million, three hundred ninety-two thousand, nine hundred eighty-three".