18814838645722 has 8 divisors (see below), whose sum is σ = 32254009106976. Its totient is φ = 8063502276732.

The previous prime is 18814838645653. The next prime is 18814838645747. The reversal of 18814838645722 is 22754683841881.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671958523048 + ... + 671958523075.

It is an arithmetic number, because the mean of its divisors is an integer number (4031751138372).

Almost surely, 2^{18814838645722} is an apocalyptic number.

18814838645722 is a deficient number, since it is larger than the sum of its proper divisors (13439170461254).

18814838645722 is a wasteful number, since it uses less digits than its factorization.

18814838645722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343917046132.

The product of its digits is 165150720, while the sum is 67.

The spelling of 18814838645722 in words is "eighteen trillion, eight hundred fourteen billion, eight hundred thirty-eight million, six hundred forty-five thousand, seven hundred twenty-two".