4431461761 has 2 divisors, whose sum is σ = 4431461762. Its totient is φ = 4431461760.

The previous prime is 4431461743. The next prime is 4431461767. The reversal of 4431461761 is 1671641344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2245338225 + 2186123536 = 47385^2 + 46756^2 .

It is a cyclic number.

It is not a de Polignac number, because 4431461761 - 2⁹ = 4431461249 is a prime.

It is a super-2 number, since 2×4431461761² = 39275706678410442242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4431461761.

It is not a weakly prime, because it can be changed into another prime (4431461767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215730880 + 2215730881.

It is an arithmetic number, because the mean of its divisors is an integer number (2215730881).

Almost surely, 2^4431461761 is an apocalyptic number.

It is an amenable number.

4431461761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431461761 is an equidigital number, since it uses as much as digits as its factorization.

4431461761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 4431461761 is about 66569.2253297272. The cubic root of 4431461761 is about 1642.5389190182.

The spelling of 4431461761 in words is "four billion, four hundred thirty-one million, four hundred sixty-one thousand, seven hundred sixty-one".