2044543049 has 2 divisors, whose sum is σ = 2044543050. Its totient is φ = 2044543048.

The previous prime is 2044543037. The next prime is 2044543087. The reversal of 2044543049 is 9403454402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1334587024 + 709956025 = 36532^2 + 26645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044543049 - 2¹² = 2044538953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044543009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022271524 + 1022271525.

It is an arithmetic number, because the mean of its divisors is an integer number (1022271525).

Almost surely, 2^2044543049 is an apocalyptic number.

It is an amenable number.

2044543049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044543049 is an equidigital number, since it uses as much as digits as its factorization.

2044543049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2044543049 is about 45216.6235913298. The cubic root of 2044543049 is about 1269.2059121268.

The spelling of 2044543049 in words is "two billion, forty-four million, five hundred forty-three thousand, forty-nine".