18833873708458 has 16 divisors (see below), whose sum is σ = 28835228283840. Its totient is φ = 9224108672416.

The previous prime is 18833873708453. The next prime is 18833873708477. The reversal of 18833873708458 is 85480737833881.

It is a happy number.

It is a super-2 number, since 2×18833873708458² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18833873708453) 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, 494412166 + ... + 494450257.

It is an arithmetic number, because the mean of its divisors is an integer number (1802201767740).

Almost surely, 2^{18833873708458} is an apocalyptic number.

18833873708458 is a deficient number, since it is larger than the sum of its proper divisors (10001354575382).

18833873708458 is a wasteful number, since it uses less digits than its factorization.

18833873708458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988862621.

The product of its (nonzero) digits is 867041280, while the sum is 73.

The spelling of 18833873708458 in words is "eighteen trillion, eight hundred thirty-three billion, eight hundred seventy-three million, seven hundred eight thousand, four hundred fifty-eight".