4440434161 has 2 divisors, whose sum is σ = 4440434162. Its totient is φ = 4440434160.

The previous prime is 4440434147. The next prime is 4440434171. The reversal of 4440434161 is 1614340444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2542176400 + 1898257761 = 50420^2 + 43569^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440434161 - 2⁵ = 4440434129 is a prime.

It is not a weakly prime, because it can be changed into another prime (4440434171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220217080 + 2220217081.

It is an arithmetic number, because the mean of its divisors is an integer number (2220217081).

Almost surely, 2^4440434161 is an apocalyptic number.

It is an amenable number.

4440434161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440434161 is an equidigital number, since it uses as much as digits as its factorization.

4440434161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 4440434161 is about 66636.5827530194. The cubic root of 4440434161 is about 1643.6467236052.

The spelling of 4440434161 in words is "four billion, four hundred forty million, four hundred thirty-four thousand, one hundred sixty-one".