2089866251 has 16 divisors (see below), whose sum is σ = 2300659200. Its totient is φ = 1882596000.

The previous prime is 2089866241. The next prime is 2089866269. The reversal of 2089866251 is 1526689802.

It is a cyclic number.

It is not a de Polignac number, because 2089866251 - 2¹⁰ = 2089865227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2089866196 and 2089866205.

It is not an unprimeable number, because it can be changed into a prime (2089866241) 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, 1098401 + ... + 1100301.

It is an arithmetic number, because the mean of its divisors is an integer number (143791200).

Almost surely, 2^2089866251 is an apocalyptic number.

2089866251 is a deficient number, since it is larger than the sum of its proper divisors (210792949).

2089866251 is a wasteful number, since it uses less digits than its factorization.

2089866251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 2089866251 is about 45715.0549709830. The cubic root of 2089866251 is about 1278.5159907021.

The spelling of 2089866251 in words is "two billion, eighty-nine million, eight hundred sixty-six thousand, two hundred fifty-one".