634585623113 has 8 divisors (see below), whose sum is σ = 683420794056. Its totient is φ = 585753436800.

The previous prime is 634585623103. The next prime is 634585623121. The reversal of 634585623113 is 311326585436.

It can be written as a sum of positive squares in 4 ways, for example, as 5144905984 + 629440717129 = 71728^2 + 793373^2 .

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 634585623113 - 2²² = 634581428809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634585623103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294428 + ... + 1164413.

It is an arithmetic number, because the mean of its divisors is an integer number (85427599257).

Almost surely, 2^634585623113 is an apocalyptic number.

It is an amenable number.

634585623113 is a deficient number, since it is larger than the sum of its proper divisors (48835170943).

634585623113 is a wasteful number, since it uses less digits than its factorization.

634585623113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492315.

The product of its digits is 1555200, while the sum is 47.

The spelling of 634585623113 in words is "six hundred thirty-four billion, five hundred eighty-five million, six hundred twenty-three thousand, one hundred thirteen".