2826989890 has 16 divisors (see below), whose sum is σ = 5264050680. Its totient is φ = 1091802880.

The previous prime is 2826989831. The next prime is 2826989903. The reversal of 2826989890 is 989896282.

It can be written as a sum of positive squares in 4 ways, for example, as 1656734209 + 1170255681 = 40703^2 + 34209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4873831 + ... + 4874410.

Almost surely, 2^2826989890 is an apocalyptic number.

2826989890 is a deficient number, since it is larger than the sum of its proper divisors (2437060790).

2826989890 is a wasteful number, since it uses less digits than its factorization.

2826989890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748277.

The product of its (nonzero) digits is 8957952, while the sum is 61.

The square root of 2826989890 is about 53169.4450789173. The cubic root of 2826989890 is about 1413.9739826642.

The spelling of 2826989890 in words is "two billion, eight hundred twenty-six million, nine hundred eighty-nine thousand, eight hundred ninety".