425985527387198 has 16 divisors (see below), whose sum is σ = 643201956828720. Its totient is φ = 211589438770176.

The previous prime is 425985527387197. The next prime is 425985527387201. The reversal of 425985527387198 is 891783725589524.

It is a super-2 number, since 2×425985527387198² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425985527387197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140727811 + ... + 1141101182.

It is an arithmetic number, because the mean of its divisors is an integer number (40200122301795).

Almost surely, 2^{425985527387198} is an apocalyptic number.

425985527387198 is a deficient number, since it is larger than the sum of its proper divisors (217216429441522).

425985527387198 is a wasteful number, since it uses less digits than its factorization.

425985527387198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281829611.

The product of its digits is 12192768000, while the sum is 83.

The spelling of 425985527387198 in words is "four hundred twenty-five trillion, nine hundred eighty-five billion, five hundred twenty-seven million, three hundred eighty-seven thousand, one hundred ninety-eight".