4431115361 has 2 divisors, whose sum is σ = 4431115362. Its totient is φ = 4431115360.

The previous prime is 4431115333. The next prime is 4431115379. The reversal of 4431115361 is 1635111344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3514236961 + 916878400 = 59281^2 + 30280^2 .

It is a cyclic number.

It is not a de Polignac number, because 4431115361 - 2²⁶ = 4364006497 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 (4431115861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215557680 + 2215557681.

It is an arithmetic number, because the mean of its divisors is an integer number (2215557681).

Almost surely, 2^4431115361 is an apocalyptic number.

It is an amenable number.

4431115361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431115361 is an equidigital number, since it uses as much as digits as its factorization.

4431115361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 4431115361 is about 66566.6234760334. The cubic root of 4431115361 is about 1642.4961197239.

The spelling of 4431115361 in words is "four billion, four hundred thirty-one million, one hundred fifteen thousand, three hundred sixty-one".