634055131007 has 4 divisors (see below), whose sum is σ = 634619740440. Its totient is φ = 633490521576.

The previous prime is 634055130913. The next prime is 634055131019. The reversal of 634055131007 is 700131550436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 634055131007 - 2²⁸ = 633786695551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634055134007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282303032 + ... + 282305277.

It is an arithmetic number, because the mean of its divisors is an integer number (158654935110).

Almost surely, 2^634055131007 is an apocalyptic number.

634055131007 is a deficient number, since it is larger than the sum of its proper divisors (564609433).

634055131007 is a wasteful number, since it uses less digits than its factorization.

634055131007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564609432.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 634055131007 in words is "six hundred thirty-four billion, fifty-five million, one hundred thirty-one thousand, seven".