2044057021 has 2 divisors, whose sum is σ = 2044057022. Its totient is φ = 2044057020.

The previous prime is 2044056941. The next prime is 2044057039. The reversal of 2044057021 is 1207504402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2044034521 + 22500 = 45211^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044057021 - 2¹⁵ = 2044024253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044057061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022028510 + 1022028511.

It is an arithmetic number, because the mean of its divisors is an integer number (1022028511).

Almost surely, 2^2044057021 is an apocalyptic number.

It is an amenable number.

2044057021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044057021 is an equidigital number, since it uses as much as digits as its factorization.

2044057021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2044057021 is about 45211.2488325638. The cubic root of 2044057021 is about 1269.1053324400.

The spelling of 2044057021 in words is "two billion, forty-four million, fifty-seven thousand, twenty-one".