198240701931275 has 24 divisors (see below), whose sum is σ = 247710073665600. Its totient is φ = 157373307136800.

The previous prime is 198240701931221. The next prime is 198240701931277. The reversal of 198240701931275 is 572139107042891.

It is not a de Polignac number, because 198240701931275 - 2⁶ = 198240701931211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198240701931277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7195685 + ... + 21172134.

It is an arithmetic number, because the mean of its divisors is an integer number (10321253069400).

Almost surely, 2^{198240701931275} is an apocalyptic number.

198240701931275 is a deficient number, since it is larger than the sum of its proper divisors (49469371734325).

198240701931275 is a wasteful number, since it uses less digits than its factorization.

198240701931275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28369979 (or 28369974 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 198240701931275 in words is "one hundred ninety-eight trillion, two hundred forty billion, seven hundred one million, nine hundred thirty-one thousand, two hundred seventy-five".