2889839161 has 4 divisors (see below), whose sum is σ = 3152551824. Its totient is φ = 2627126500.

The previous prime is 2889839159. The next prime is 2889839213. The reversal of 2889839161 is 1619389882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2889839161 - 2¹ = 2889839159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889839111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131356315 + ... + 131356336.

It is an arithmetic number, because the mean of its divisors is an integer number (788137956).

Almost surely, 2^2889839161 is an apocalyptic number.

It is an amenable number.

2889839161 is a deficient number, since it is larger than the sum of its proper divisors (262712663).

2889839161 is a wasteful number, since it uses less digits than its factorization.

2889839161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262712662.

The product of its digits is 1492992, while the sum is 55.

The square root of 2889839161 is about 53757.2242679996. The cubic root of 2889839161 is about 1424.3757045383.

It can be divided in two parts, 2889839 and 161, that added together give a square (2890000 = 1700²).

The spelling of 2889839161 in words is "two billion, eight hundred eighty-nine million, eight hundred thirty-nine thousand, one hundred sixty-one".