198242313875425 has 12 divisors (see below), whose sum is σ = 245820831214320. Its totient is φ = 158593617546320.

The previous prime is 198242313875423. The next prime is 198242313875467. The reversal of 198242313875425 is 524578313242891.

It is not a de Polignac number, because 198242313875425 - 2¹ = 198242313875423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198242313875423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12621186 + ... + 23574964.

It is an arithmetic number, because the mean of its divisors is an integer number (20485069267860).

Almost surely, 2^{198242313875425} is an apocalyptic number.

It is an amenable number.

198242313875425 is a deficient number, since it is larger than the sum of its proper divisors (47578517338895).

198242313875425 is a wasteful number, since it uses less digits than its factorization.

198242313875425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677712 (or 11677707 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 64.

The spelling of 198242313875425 in words is "one hundred ninety-eight trillion, two hundred forty-two billion, three hundred thirteen million, eight hundred seventy-five thousand, four hundred twenty-five".