2889581113 has 4 divisors (see below), whose sum is σ = 2906284068. Its totient is φ = 2872878160.

The previous prime is 2889581099. The next prime is 2889581129. The reversal of 2889581113 is 3111859882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1510721424 + 1378859689 = 38868^2 + 37133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2889581113 - 2¹³ = 2889572921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889581153) 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, 8351218 + ... + 8351563.

It is an arithmetic number, because the mean of its divisors is an integer number (726571017).

Almost surely, 2^2889581113 is an apocalyptic number.

It is an amenable number.

2889581113 is a deficient number, since it is larger than the sum of its proper divisors (16702955).

2889581113 is a wasteful number, since it uses less digits than its factorization.

2889581113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16702954.

The product of its digits is 138240, while the sum is 46.

The square root of 2889581113 is about 53754.8240904944. The cubic root of 2889581113 is about 1424.3333067643. Note that the first 4 decimals are identical.

The spelling of 2889581113 in words is "two billion, eight hundred eighty-nine million, five hundred eighty-one thousand, one hundred thirteen".