2789942289 has 16 divisors (see below), whose sum is σ = 3779619840. Its totient is φ = 1830344400.

The previous prime is 2789942219. The next prime is 2789942317. The reversal of 2789942289 is 9822499872.

It is not a de Polignac number, because 2789942289 - 2¹³ = 2789934097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2789942219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19692 + ... + 77250.

It is an arithmetic number, because the mean of its divisors is an integer number (236226240).

Almost surely, 2^2789942289 is an apocalyptic number.

It is an amenable number.

2789942289 is a deficient number, since it is larger than the sum of its proper divisors (989677551).

2789942289 is a wasteful number, since it uses less digits than its factorization.

2789942289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57820.

The product of its digits is 10450944, while the sum is 60.

The square root of 2789942289 is about 52819.9042880617. The cubic root of 2789942289 is about 1407.7701099534.

The spelling of 2789942289 in words is "two billion, seven hundred eighty-nine million, nine hundred forty-two thousand, two hundred eighty-nine".