634039708043 has 16 divisors (see below), whose sum is σ = 752745208320. Its totient is φ = 522739694400.

The previous prime is 634039708039. The next prime is 634039708109. The reversal of 634039708043 is 340807930436.

It is not a de Polignac number, because 634039708043 - 2² = 634039708039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634039708013) 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, 15537353 + ... + 15578106.

It is an arithmetic number, because the mean of its divisors is an integer number (47046575520).

Almost surely, 2^634039708043 is an apocalyptic number.

634039708043 is a deficient number, since it is larger than the sum of its proper divisors (118705500277).

634039708043 is a wasteful number, since it uses less digits than its factorization.

634039708043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31115578.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 634039708043 in words is "six hundred thirty-four billion, thirty-nine million, seven hundred eight thousand, forty-three".