8233992121 has 2 divisors, whose sum is σ = 8233992122. Its totient is φ = 8233992120.

The previous prime is 8233992101. The next prime is 8233992161. The reversal of 8233992121 is 1212993328.

It is an a-pointer prime, because the next prime (8233992161) can be obtained adding 8233992121 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8226490000 + 7502121 = 90700^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 8233992121 - 2¹³ = 8233983929 is a prime.

It is not a weakly prime, because it can be changed into another prime (8233992101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116996060 + 4116996061.

It is an arithmetic number, because the mean of its divisors is an integer number (4116996061).

Almost surely, 2^8233992121 is an apocalyptic number.

It is an amenable number.

8233992121 is a deficient number, since it is larger than the sum of its proper divisors (1).

8233992121 is an equidigital number, since it uses as much as digits as its factorization.

8233992121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 8233992121 is about 90741.3473616080. The cubic root of 8233992121 is about 2019.3122614646.

The spelling of 8233992121 in words is "eight billion, two hundred thirty-three million, nine hundred ninety-two thousand, one hundred twenty-one".