2453830721 has 2 divisors, whose sum is σ = 2453830722. Its totient is φ = 2453830720.

The previous prime is 2453830703. The next prime is 2453830727. The reversal of 2453830721 is 1270383542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2132130625 + 321700096 = 46175^2 + 17936^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453830721 - 2⁶ = 2453830657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2453830727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226915360 + 1226915361.

It is an arithmetic number, because the mean of its divisors is an integer number (1226915361).

Almost surely, 2^2453830721 is an apocalyptic number.

It is an amenable number.

2453830721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453830721 is an equidigital number, since it uses as much as digits as its factorization.

2453830721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2453830721 is about 49536.1556946035. The cubic root of 2453830721 is about 1348.8019954456.

The spelling of 2453830721 in words is "two billion, four hundred fifty-three million, eight hundred thirty thousand, seven hundred twenty-one".