9268331921 has 2 divisors, whose sum is σ = 9268331922. Its totient is φ = 9268331920.

The previous prime is 9268331899. The next prime is 9268331927. The reversal of 9268331921 is 1291338629.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8645280400 + 623051521 = 92980^2 + 24961^2 .

It is a cyclic number.

It is not a de Polignac number, because 9268331921 - 2³⁰ = 8194590097 is a prime.

It is not a weakly prime, because it can be changed into another prime (9268331927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4634165960 + 4634165961.

It is an arithmetic number, because the mean of its divisors is an integer number (4634165961).

Almost surely, 2^9268331921 is an apocalyptic number.

It is an amenable number.

9268331921 is a deficient number, since it is larger than the sum of its proper divisors (1).

9268331921 is an equidigital number, since it uses as much as digits as its factorization.

9268331921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 9268331921 is about 96272.1762556555. The cubic root of 9268331921 is about 2100.5540428541.

The spelling of 9268331921 in words is "nine billion, two hundred sixty-eight million, three hundred thirty-one thousand, nine hundred twenty-one".