9645801118634 has 32 divisors (see below), whose sum is σ = 16209662302080. Its totient is φ = 4278013857792.

The previous prime is 9645801118619. The next prime is 9645801118649. The reversal of 9645801118634 is 4368111085469.

9645801118634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9645801118619) and next prime (9645801118649).

It is a self number, because there is not a number n which added to its sum of digits gives 9645801118634.

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, 38558174 + ... + 38807529.

It is an arithmetic number, because the mean of its divisors is an integer number (506551946940).

Almost surely, 2^{9645801118634} is an apocalyptic number.

9645801118634 is a deficient number, since it is larger than the sum of its proper divisors (6563861183446).

9645801118634 is a wasteful number, since it uses less digits than its factorization.

9645801118634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77365934.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 9645801118634 in words is "nine trillion, six hundred forty-five billion, eight hundred one million, one hundred eighteen thousand, six hundred thirty-four".