198993530294241 has 32 divisors (see below), whose sum is σ = 265970646509568. Its totient is φ = 132339842651520.

The previous prime is 198993530294179. The next prime is 198993530294257. The reversal of 198993530294241 is 142492035399891.

It is not a de Polignac number, because 198993530294241 - 2²² = 198993526099937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198993530294261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16963043346 + ... + 16963055076.

It is an arithmetic number, because the mean of its divisors is an integer number (8311582703424).

Almost surely, 2^{198993530294241} is an apocalyptic number.

It is an amenable number.

198993530294241 is a deficient number, since it is larger than the sum of its proper divisors (66977116215327).

198993530294241 is a wasteful number, since it uses less digits than its factorization.

198993530294241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20381.

The product of its (nonzero) digits is 151165440, while the sum is 69.

The spelling of 198993530294241 in words is "one hundred ninety-eight trillion, nine hundred ninety-three billion, five hundred thirty million, two hundred ninety-four thousand, two hundred forty-one".