2044646441 has 2 divisors, whose sum is σ = 2044646442. Its totient is φ = 2044646440.

The previous prime is 2044646419. The next prime is 2044646453. The reversal of 2044646441 is 1446464402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1391588416 + 653058025 = 37304^2 + 25555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044646441 - 2¹⁰ = 2044645417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044646141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022323220 + 1022323221.

It is an arithmetic number, because the mean of its divisors is an integer number (1022323221).

Almost surely, 2^2044646441 is an apocalyptic number.

It is an amenable number.

2044646441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044646441 is an equidigital number, since it uses as much as digits as its factorization.

2044646441 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 35.

The square root of 2044646441 is about 45217.7668732104. The cubic root of 2044646441 is about 1269.2273062350.

The spelling of 2044646441 in words is "two billion, forty-four million, six hundred forty-six thousand, four hundred forty-one".