198475273025 has 12 divisors (see below), whose sum is σ = 246370907964. Its totient is φ = 158611464000.

The previous prime is 198475272977. The next prime is 198475273033. The reversal of 198475273025 is 520372574891.

It can be written as a sum of positive squares in 6 ways, for example, as 8713102336 + 189762170689 = 93344^2 + 435617^2 .

It is not a de Polignac number, because 198475273025 - 2²⁰ = 198474224449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4194866 + ... + 4241915.

It is an arithmetic number, because the mean of its divisors is an integer number (20530908997).

Almost surely, 2^198475273025 is an apocalyptic number.

It is an amenable number.

198475273025 is a deficient number, since it is larger than the sum of its proper divisors (47895634939).

198475273025 is an equidigital number, since it uses as much as digits as its factorization.

198475273025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8437732 (or 8437727 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 198475273025 in words is "one hundred ninety-eight billion, four hundred seventy-five million, two hundred seventy-three thousand, twenty-five".