18339514268977 has 8 divisors (see below), whose sum is σ = 20008008557280. Its totient is φ = 16671230933760.

The previous prime is 18339514268917. The next prime is 18339514268981. The reversal of 18339514268977 is 77986241593381.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18339514268977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18339514268917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52556463 + ... + 52904260.

It is an arithmetic number, because the mean of its divisors is an integer number (2501001069660).

Almost surely, 2^{18339514268977} is an apocalyptic number.

It is an amenable number.

18339514268977 is a deficient number, since it is larger than the sum of its proper divisors (1668494288303).

18339514268977 is a wasteful number, since it uses less digits than its factorization.

18339514268977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105476543.

The product of its digits is 548674560, while the sum is 73.

The spelling of 18339514268977 in words is "eighteen trillion, three hundred thirty-nine billion, five hundred fourteen million, two hundred sixty-eight thousand, nine hundred seventy-seven".