425574165212 has 24 divisors (see below), whose sum is σ = 851164757856. Its totient is φ = 182385407808.

The previous prime is 425574165209. The next prime is 425574165227. The reversal of 425574165212 is 212561475524.

It is a super-2 number, since 2×425574165212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768898 + ... + 1995030.

It is an arithmetic number, because the mean of its divisors is an integer number (35465198244).

Almost surely, 2^425574165212 is an apocalyptic number.

It is an amenable number.

425574165212 is an abundant number, since it is smaller than the sum of its proper divisors (425590592644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425574165212 is a wasteful number, since it uses less digits than its factorization.

425574165212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293357 (or 293355 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The spelling of 425574165212 in words is "four hundred twenty-five billion, five hundred seventy-four million, one hundred sixty-five thousand, two hundred twelve".