9941764917 has 32 divisors (see below), whose sum is σ = 16279944192. Its totient is φ = 5267015424.

The previous prime is 9941764909. The next prime is 9941764919. The reversal of 9941764917 is 7194671499.

It is not a de Polignac number, because 9941764917 - 2³ = 9941764909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9941764919) 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, 183903 + ... + 231740.

It is an arithmetic number, because the mean of its divisors is an integer number (508748256).

Almost surely, 2^9941764917 is an apocalyptic number.

It is an amenable number.

9941764917 is a deficient number, since it is larger than the sum of its proper divisors (6338179275).

9941764917 is a wasteful number, since it uses less digits than its factorization.

9941764917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415737.

The product of its digits is 3429216, while the sum is 57.

The square root of 9941764917 is about 99708.3994305395. The cubic root of 9941764917 is about 2150.2444226895.

The spelling of 9941764917 in words is "nine billion, nine hundred forty-one million, seven hundred sixty-four thousand, nine hundred seventeen".