17919597196992 has 28 divisors (see below), whose sum is σ = 47412267584216. Its totient is φ = 5973199065600.

The previous prime is 17919597196981. The next prime is 17919597196993. The reversal of 17919597196992 is 29969179591971.

It is a super-2 number, since 2×17919597196992² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17919597196993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46665617509 + ... + 46665617892.

Almost surely, 2^{17919597196992} is an apocalyptic number.

17919597196992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17919597196992 is an abundant number, since it is smaller than the sum of its proper divisors (29492670387224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17919597196992 is an equidigital number, since it uses as much as digits as its factorization.

17919597196992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93331235416 (or 93331235406 counting only the distinct ones).

The product of its digits is 1562436540, while the sum is 84.

The spelling of 17919597196992 in words is "seventeen trillion, nine hundred nineteen billion, five hundred ninety-seven million, one hundred ninety-six thousand, nine hundred ninety-two".