1397559232198 has 24 divisors (see below), whose sum is σ = 2171272935312. Its totient is φ = 674635954272.

The previous prime is 1397559232123. The next prime is 1397559232229. The reversal of 1397559232198 is 8912329557931.

It is a super-2 number, since 2×1397559232198² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39420136 + ... + 39455572.

It is an arithmetic number, because the mean of its divisors is an integer number (90469705638).

Almost surely, 2^{1397559232198} is an apocalyptic number.

1397559232198 is a deficient number, since it is larger than the sum of its proper divisors (773713703114).

1397559232198 is a wasteful number, since it uses less digits than its factorization.

1397559232198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58944 (or 58915 counting only the distinct ones).

The product of its digits is 36741600, while the sum is 64.

The spelling of 1397559232198 in words is "one trillion, three hundred ninety-seven billion, five hundred fifty-nine million, two hundred thirty-two thousand, one hundred ninety-eight".