9641620961279 has 8 divisors (see below), whose sum is σ = 9952681686528. Its totient is φ = 9330562779480.

The previous prime is 9641620961267. The next prime is 9641620961317. The reversal of 9641620961279 is 9721690261469.

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

It is a cyclic number.

It is not a de Polignac number, because 9641620961279 - 2⁴ = 9641620961263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9641620961779) 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, 9772604 + ... + 10713870.

It is an arithmetic number, because the mean of its divisors is an integer number (1244085210816).

Almost surely, 2^{9641620961279} is an apocalyptic number.

9641620961279 is a deficient number, since it is larger than the sum of its proper divisors (311060725249).

9641620961279 is a wasteful number, since it uses less digits than its factorization.

9641620961279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271725.

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 9641620961279 in words is "nine trillion, six hundred forty-one billion, six hundred twenty million, nine hundred sixty-one thousand, two hundred seventy-nine".