2108370889 has 27 divisors (see below), whose sum is σ = 2333820447. Its totient is φ = 1904269824.

The previous prime is 2108370863. The next prime is 2108370917. The reversal of 2108370889 is 9880738012.

The square root of 2108370889 is 45917.

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

It can be written as a sum of positive squares in 13 ways, for example, as 2295225 + 2106075664 = 1515^2 + 45892^2 .

It is not a de Polignac number, because 2108370889 - 2⁵ = 2108370857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108370289) 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, 28881757 + ... + 28881829.

Almost surely, 2^2108370889 is an apocalyptic number.

2108370889 is the 45917-th square number.

2108370889 is the 22959-th centered octagonal number.

It is an amenable number.

2108370889 is a deficient number, since it is larger than the sum of its proper divisors (225449558).

2108370889 is an frugal number, since it uses more digits than its factorization.

2108370889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The cubic root of 2108370889 is about 1282.2784307424.

The spelling of 2108370889 in words is "two billion, one hundred eight million, three hundred seventy thousand, eight hundred eighty-nine".