2331322649 has 2 divisors, whose sum is σ = 2331322650. Its totient is φ = 2331322648.

The previous prime is 2331322633. The next prime is 2331322681. The reversal of 2331322649 is 9462231332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2323240000 + 8082649 = 48200^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331322649 - 2⁴ = 2331322633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2331322349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165661324 + 1165661325.

It is an arithmetic number, because the mean of its divisors is an integer number (1165661325).

Almost surely, 2^2331322649 is an apocalyptic number.

It is an amenable number.

2331322649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331322649 is an equidigital number, since it uses as much as digits as its factorization.

2331322649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The square root of 2331322649 is about 48283.7721082353. The cubic root of 2331322649 is about 1325.9713108609.

The spelling of 2331322649 in words is "two billion, three hundred thirty-one million, three hundred twenty-two thousand, six hundred forty-nine".