2044280761 has 2 divisors, whose sum is σ = 2044280762. Its totient is φ = 2044280760.

The previous prime is 2044280743. The next prime is 2044280809. The reversal of 2044280761 is 1670824402.

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., 1993086736 + 51194025 = 44644^2 + 7155^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044280761 - 2⁵ = 2044280729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044281761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022140380 + 1022140381.

It is an arithmetic number, because the mean of its divisors is an integer number (1022140381).

Almost surely, 2^2044280761 is an apocalyptic number.

It is an amenable number.

2044280761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044280761 is an equidigital number, since it uses as much as digits as its factorization.

2044280761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 2044280761 is about 45213.7231490617. The cubic root of 2044280761 is about 1269.1516356603.

The spelling of 2044280761 in words is "two billion, forty-four million, two hundred eighty thousand, seven hundred sixty-one".