4244089081 has 2 divisors, whose sum is σ = 4244089082. Its totient is φ = 4244089080.

The previous prime is 4244089061. The next prime is 4244089133. The reversal of 4244089081 is 1809804424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3628255225 + 615833856 = 60235^2 + 24816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244089081 is a prime.

It is a super-2 number, since 2×4244089081² = 36024584254926849122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4244089061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122044540 + 2122044541.

It is an arithmetic number, because the mean of its divisors is an integer number (2122044541).

Almost surely, 2^4244089081 is an apocalyptic number.

It is an amenable number.

4244089081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4244089081 is an equidigital number, since it uses as much as digits as its factorization.

4244089081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 4244089081 is about 65146.6735988876. The cubic root of 4244089081 is about 1619.0546078012.

The spelling of 4244089081 in words is "four billion, two hundred forty-four million, eighty-nine thousand, eighty-one".