427191134932 has 12 divisors (see below), whose sum is σ = 747593794836. Its totient is φ = 213592907840.

The previous prime is 427191134927. The next prime is 427191134933. The reversal of 427191134932 is 239431191724.

It can be written as a sum of positive squares in 2 ways, for example, as 248757547536 + 178433587396 = 498756^2 + 422414^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427191134933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278569 + ... + 965392.

It is an arithmetic number, because the mean of its divisors is an integer number (62299482903).

Almost surely, 2^427191134932 is an apocalyptic number.

It is an amenable number.

427191134932 is a deficient number, since it is larger than the sum of its proper divisors (320402659904).

427191134932 is a wasteful number, since it uses less digits than its factorization.

427191134932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329818 (or 1329816 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The spelling of 427191134932 in words is "four hundred twenty-seven billion, one hundred ninety-one million, one hundred thirty-four thousand, nine hundred thirty-two".