2802738889 has 2 divisors, whose sum is σ = 2802738890. Its totient is φ = 2802738888.

The previous prime is 2802738833. The next prime is 2802738947. The reversal of 2802738889 is 9888372082.

2802738889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2792065600 + 10673289 = 52840^2 + 3267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2802738889 - 2⁹ = 2802738377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2802738689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401369444 + 1401369445.

It is an arithmetic number, because the mean of its divisors is an integer number (1401369445).

Almost surely, 2^2802738889 is an apocalyptic number.

It is an amenable number.

2802738889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802738889 is an equidigital number, since it uses as much as digits as its factorization.

2802738889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The square root of 2802738889 is about 52940.8999640165. The cubic root of 2802738889 is about 1409.9191625771.

The spelling of 2802738889 in words is "two billion, eight hundred two million, seven hundred thirty-eight thousand, eight hundred eighty-nine".