2331404749 has 2 divisors, whose sum is σ = 2331404750. Its totient is φ = 2331404748.

The previous prime is 2331404711. The next prime is 2331404759. The reversal of 2331404749 is 9474041332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1995855625 + 335549124 = 44675^2 + 18318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331404749 - 2¹⁵ = 2331371981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331404759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165702374 + 1165702375.

It is an arithmetic number, because the mean of its divisors is an integer number (1165702375).

Almost surely, 2^2331404749 is an apocalyptic number.

It is an amenable number.

2331404749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331404749 is an equidigital number, since it uses as much as digits as its factorization.

2331404749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2331404749 is about 48284.6222828759. The cubic root of 2331404749 is about 1325.9868758403.

The spelling of 2331404749 in words is "two billion, three hundred thirty-one million, four hundred four thousand, seven hundred forty-nine".