634712805830 has 16 divisors (see below), whose sum is σ = 1146382315344. Its totient is φ = 253018619040.

The previous prime is 634712805829. The next prime is 634712805877. The reversal of 634712805830 is 38508217436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108309836 + ... + 108315695.

It is an arithmetic number, because the mean of its divisors is an integer number (71648894709).

Almost surely, 2^634712805830 is an apocalyptic number.

634712805830 is a deficient number, since it is larger than the sum of its proper divisors (511669509514).

634712805830 is a wasteful number, since it uses less digits than its factorization.

634712805830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216625831.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 634712805830 in words is "six hundred thirty-four billion, seven hundred twelve million, eight hundred five thousand, eight hundred thirty".