198425274053 has 2 divisors, whose sum is σ = 198425274054. Its totient is φ = 198425274052.

The previous prime is 198425273971. The next prime is 198425274059. The reversal of 198425274053 is 350472524891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192561237124 + 5864036929 = 438818^2 + 76577^2 .

It is a cyclic number.

It is not a de Polignac number, because 198425274053 - 2¹² = 198425269957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198425273992 and 198425274010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198425274059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99212637026 + 99212637027.

It is an arithmetic number, because the mean of its divisors is an integer number (99212637027).

Almost surely, 2^198425274053 is an apocalyptic number.

It is an amenable number.

198425274053 is a deficient number, since it is larger than the sum of its proper divisors (1).

198425274053 is an equidigital number, since it uses as much as digits as its factorization.

198425274053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 198425274053 in words is "one hundred ninety-eight billion, four hundred twenty-five million, two hundred seventy-four thousand, fifty-three".