18833889197372 has 24 divisors (see below), whose sum is σ = 33078802498560. Its totient is φ = 9382827528560.

The previous prime is 18833889197359. The next prime is 18833889197413. The reversal of 18833889197372 is 27379198833881.

It is a junction number, because it is equal to n+sod(n) for n = 18833889197293 and 18833889197302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49472 + ... + 6137607.

It is an arithmetic number, because the mean of its divisors is an integer number (1378283437440).

Almost surely, 2^{18833889197372} is an apocalyptic number.

It is an amenable number.

18833889197372 is a deficient number, since it is larger than the sum of its proper divisors (14244913301188).

18833889197372 is a wasteful number, since it uses less digits than its factorization.

18833889197372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189841 (or 6189839 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 77.

The spelling of 18833889197372 in words is "eighteen trillion, eight hundred thirty-three billion, eight hundred eighty-nine million, one hundred ninety-seven thousand, three hundred seventy-two".