18734858332365 has 64 divisors (see below), whose sum is σ = 34840273029120. Its totient is φ = 8418958429440.

The previous prime is 18734858332297. The next prime is 18734858332373. The reversal of 18734858332365 is 56323385843781.

It is not a de Polignac number, because 18734858332365 - 2⁷ = 18734858332237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18734858332296 and 18734858332305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167128435 + ... + 167240495.

It is an arithmetic number, because the mean of its divisors is an integer number (544379266080).

Almost surely, 2^{18734858332365} is an apocalyptic number.

18734858332365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18734858332365 is a deficient number, since it is larger than the sum of its proper divisors (16105414696755).

18734858332365 is a wasteful number, since it uses less digits than its factorization.

18734858332365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139122.

The product of its digits is 348364800, while the sum is 66.

The spelling of 18734858332365 in words is "eighteen trillion, seven hundred thirty-four billion, eight hundred fifty-eight million, three hundred thirty-two thousand, three hundred sixty-five".