9641418640959 has 32 divisors (see below), whose sum is σ = 14900948181504. Its totient is φ = 5431196580480.

The previous prime is 9641418640937. The next prime is 9641418640991. The reversal of 9641418640959 is 9590468141469.

9641418640959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9641418640959 - 2⁵ = 9641418640927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9641418640959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9641418640759) 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, 5195944 + ... + 6802989.

It is an arithmetic number, because the mean of its divisors is an integer number (465654630672).

Almost surely, 2^{9641418640959} is an apocalyptic number.

9641418640959 is a deficient number, since it is larger than the sum of its proper divisors (5259529540545).

9641418640959 is a wasteful number, since it uses less digits than its factorization.

9641418640959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999487.

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 9641418640959 in words is "nine trillion, six hundred forty-one billion, four hundred eighteen million, six hundred forty thousand, nine hundred fifty-nine".