634034270617 has 32 divisors (see below), whose sum is σ = 721595879424. Its totient is φ = 551869665600.

The previous prime is 634034270599. The next prime is 634034270621. The reversal of 634034270617 is 716072430436.

It is a de Polignac number, because none of the positive numbers 2^k-634034270617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634034270917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29069238 + ... + 29091040.

It is an arithmetic number, because the mean of its divisors is an integer number (22549871232).

Almost surely, 2^634034270617 is an apocalyptic number.

It is an amenable number.

634034270617 is a deficient number, since it is larger than the sum of its proper divisors (87561608807).

634034270617 is a wasteful number, since it uses less digits than its factorization.

634034270617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22749.

The product of its (nonzero) digits is 508032, while the sum is 43.

The spelling of 634034270617 in words is "six hundred thirty-four billion, thirty-four million, two hundred seventy thousand, six hundred seventeen".