2044739739 has 24 divisors (see below), whose sum is σ = 3288426240. Its totient is φ = 1106922672.

The previous prime is 2044739737. The next prime is 2044739761. The reversal of 2044739739 is 9379374402.

It is not a de Polignac number, because 2044739739 - 2¹ = 2044739737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2044739737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127279 + ... + 142440.

It is an arithmetic number, because the mean of its divisors is an integer number (137017760).

Almost surely, 2^2044739739 is an apocalyptic number.

2044739739 is a deficient number, since it is larger than the sum of its proper divisors (1243686501).

2044739739 is a wasteful number, since it uses less digits than its factorization.

2044739739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269767 (or 269748 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The square root of 2044739739 is about 45218.7985134501. The cubic root of 2044739739 is about 1269.2466110507.

The spelling of 2044739739 in words is "two billion, forty-four million, seven hundred thirty-nine thousand, seven hundred thirty-nine".