634013832646331 has 16 divisors (see below), whose sum is σ = 675427301485440. Its totient is φ = 593404872091200.

The previous prime is 634013832646291. The next prime is 634013832646343. The reversal of 634013832646331 is 133646238310436.

It is a cyclic number.

It is not a de Polignac number, because 634013832646331 - 2¹⁰ = 634013832645307 is a prime.

It is a super-2 number, since 2×634013832646331² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634013832646361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331163276 + ... + 333072278.

It is an arithmetic number, because the mean of its divisors is an integer number (42214206342840).

Almost surely, 2^{634013832646331} is an apocalyptic number.

634013832646331 is a deficient number, since it is larger than the sum of its proper divisors (41413468839109).

634013832646331 is a wasteful number, since it uses less digits than its factorization.

634013832646331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119706.

The product of its (nonzero) digits is 13436928, while the sum is 53.

The spelling of 634013832646331 in words is "six hundred thirty-four trillion, thirteen billion, eight hundred thirty-two million, six hundred forty-six thousand, three hundred thirty-one".