634421054 has 16 divisors (see below), whose sum is σ = 975566592. Its totient is φ = 309259608.

The previous prime is 634421033. The next prime is 634421059. The reversal of 634421054 is 450124436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634421059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41867 + ... + 54969.

It is an arithmetic number, because the mean of its divisors is an integer number (60972912).

Almost surely, 2^634421054 is an apocalyptic number.

634421054 is a deficient number, since it is larger than the sum of its proper divisors (341145538).

634421054 is a wasteful number, since it uses less digits than its factorization.

634421054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13711.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 634421054 is about 25187.7163315772. The cubic root of 634421054 is about 859.2625072790.

The spelling of 634421054 in words is "six hundred thirty-four million, four hundred twenty-one thousand, fifty-four".