198315246275 has 48 divisors (see below), whose sum is σ = 254457047040. Its totient is φ = 153236966400.

The previous prime is 198315246221. The next prime is 198315246289. The reversal of 198315246275 is 572642513891.

It is a Cunningham number, because it is equal to 445326²-1.

It is not a de Polignac number, because 198315246275 - 2¹⁰ = 198315245251 is a prime.

It is a super-2 number, since 2×198315246275² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43194230 + ... + 43198820.

It is an arithmetic number, because the mean of its divisors is an integer number (5301188480).

Almost surely, 2^198315246275 is an apocalyptic number.

198315246275 is a deficient number, since it is larger than the sum of its proper divisors (56141800765).

198315246275 is a wasteful number, since it uses less digits than its factorization.

198315246275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5119 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The spelling of 198315246275 in words is "one hundred ninety-eight billion, three hundred fifteen million, two hundred forty-six thousand, two hundred seventy-five".