634315583157 has 8 divisors (see below), whose sum is σ = 852413592576. Its totient is φ = 419547314592.

The previous prime is 634315583149. The next prime is 634315583179. The reversal of 634315583157 is 751385513436.

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

It is not a de Polignac number, because 634315583157 - 2³ = 634315583149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634315583197) 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, 832434768 + ... + 832435529.

It is an arithmetic number, because the mean of its divisors is an integer number (106551699072).

Almost surely, 2^634315583157 is an apocalyptic number.

It is an amenable number.

634315583157 is a deficient number, since it is larger than the sum of its proper divisors (218098009419).

634315583157 is a wasteful number, since it uses less digits than its factorization.

634315583157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664870427.

The product of its digits is 4536000, while the sum is 51.

The spelling of 634315583157 in words is "six hundred thirty-four billion, three hundred fifteen million, five hundred eighty-three thousand, one hundred fifty-seven".