634646099 has 8 divisors (see below), whose sum is σ = 638623440. Its totient is φ = 630679936.

The previous prime is 634646059. The next prime is 634646119. The reversal of 634646099 is 990646436.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634646099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634646039) 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, 130184 + ... + 134970.

It is an arithmetic number, because the mean of its divisors is an integer number (79827930).

Almost surely, 2^634646099 is an apocalyptic number.

634646099 is a deficient number, since it is larger than the sum of its proper divisors (3977341).

634646099 is a wasteful number, since it uses less digits than its factorization.

634646099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589.

The product of its (nonzero) digits is 839808, while the sum is 47.

The square root of 634646099 is about 25192.1832916482. The cubic root of 634646099 is about 859.3640958951.

The spelling of 634646099 in words is "six hundred thirty-four million, six hundred forty-six thousand, ninety-nine".