634868030757 has 8 divisors (see below), whose sum is σ = 883294651584. Its totient is φ = 404843381888.

The previous prime is 634868030737. The next prime is 634868030779. The reversal of 634868030757 is 757030868436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 634868030757 - 2⁸ = 634868030501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634868030697 and 634868030706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634868030737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4600492908 + ... + 4600493045.

It is an arithmetic number, because the mean of its divisors is an integer number (110411831448).

Almost surely, 2^634868030757 is an apocalyptic number.

It is an amenable number.

634868030757 is a deficient number, since it is larger than the sum of its proper divisors (248426620827).

634868030757 is a wasteful number, since it uses less digits than its factorization.

634868030757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200985979.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 634868030757 in words is "six hundred thirty-four billion, eight hundred sixty-eight million, thirty thousand, seven hundred fifty-seven".