634768608530 has 16 divisors (see below), whose sum is σ = 1305809709120. Its totient is φ = 217634951472.

The previous prime is 634768608499. The next prime is 634768608557. The reversal of 634768608530 is 35806867436.

It is a super-2 number, since 2×634768608530² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4534061420 + ... + 4534061559.

It is an arithmetic number, because the mean of its divisors is an integer number (81613106820).

Almost surely, 2^634768608530 is an apocalyptic number.

634768608530 is an abundant number, since it is smaller than the sum of its proper divisors (671041100590).

634768608530 is a wasteful number, since it uses less digits than its factorization.

634768608530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9068122993.

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 634768608530 in words is "six hundred thirty-four billion, seven hundred sixty-eight million, six hundred eight thousand, five hundred thirty".