634372424772231 has 16 divisors (see below), whose sum is σ = 848040943325184. Its totient is φ = 421809434833344.

The previous prime is 634372424772209. The next prime is 634372424772313. The reversal of 634372424772231 is 132277424273436.

It is not a de Polignac number, because 634372424772231 - 2¹⁴ = 634372424755847 is a prime.

It is a super-2 number, since 2×634372424772231² (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 (634372424772431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502018555 + ... + 503280611.

It is an arithmetic number, because the mean of its divisors is an integer number (53002558957824).

Almost surely, 2^{634372424772231} is an apocalyptic number.

634372424772231 is a deficient number, since it is larger than the sum of its proper divisors (213668518552953).

634372424772231 is a wasteful number, since it uses less digits than its factorization.

634372424772231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699910.

The product of its digits is 56899584, while the sum is 57.

The spelling of 634372424772231 in words is "six hundred thirty-four trillion, three hundred seventy-two billion, four hundred twenty-four million, seven hundred seventy-two thousand, two hundred thirty-one".