4042797889 has 27 divisors (see below), whose sum is σ = 4505729193. Its totient is φ = 3625756992.

The previous prime is 4042797887. The next prime is 4042797959. The reversal of 4042797889 is 9887972404.

The square root of 4042797889 is 63583.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 406707889 + 3636090000 = 20167^2 + 60300^2 .

It is not a de Polignac number, because 4042797889 - 2¹ = 4042797887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042797881) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 55380757 + ... + 55380829.

It is an arithmetic number, because the mean of its divisors is an integer number (166878859).

Almost surely, 2^4042797889 is an apocalyptic number.

4042797889 is the 63583-rd square number.

4042797889 is the 31792-nd centered octagonal number.

It is an amenable number.

4042797889 is a deficient number, since it is larger than the sum of its proper divisors (462931304).

4042797889 is an frugal number, since it uses more digits than its factorization.

4042797889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 58.

The cubic root of 4042797889 is about 1593.0424307953.

The spelling of 4042797889 in words is "four billion, forty-two million, seven hundred ninety-seven thousand, eight hundred eighty-nine".