634273404436 has 48 divisors (see below), whose sum is σ = 1274639135616. Its totient is φ = 270528695424.

The previous prime is 634273404433. The next prime is 634273404467. The reversal of 634273404436 is 634404372436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634273404433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556690 + ... + 5669686.

It is an arithmetic number, because the mean of its divisors is an integer number (26554981992).

Almost surely, 2^634273404436 is an apocalyptic number.

It is an amenable number.

634273404436 is an abundant number, since it is smaller than the sum of its proper divisors (640365731180).

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

634273404436 is a wasteful number, since it uses less digits than its factorization.

634273404436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113968 (or 113966 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 46.

The spelling of 634273404436 in words is "six hundred thirty-four billion, two hundred seventy-three million, four hundred four thousand, four hundred thirty-six".