634305685234 has 32 divisors (see below), whose sum is σ = 1030524042240. Its totient is φ = 291079027200.

The previous prime is 634305685183. The next prime is 634305685253. The reversal of 634305685234 is 432586503436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10303557 + ... + 10364935.

It is an arithmetic number, because the mean of its divisors is an integer number (32203876320).

Almost surely, 2^634305685234 is an apocalyptic number.

634305685234 is a deficient number, since it is larger than the sum of its proper divisors (396218357006).

634305685234 is a wasteful number, since it uses less digits than its factorization.

634305685234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63666.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 634305685234 in words is "six hundred thirty-four billion, three hundred five million, six hundred eighty-five thousand, two hundred thirty-four".