2089570817 has 4 divisors (see below), whose sum is σ = 2089829040. Its totient is φ = 2089312596.

The previous prime is 2089570787. The next prime is 2089570837. The reversal of 2089570817 is 7180759802.

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 2089570817 - 2⁶ = 2089570753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2089570837) 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, 116567 + ... + 133292.

It is an arithmetic number, because the mean of its divisors is an integer number (522457260).

Almost surely, 2^2089570817 is an apocalyptic number.

It is an amenable number.

2089570817 is a deficient number, since it is larger than the sum of its proper divisors (258223).

2089570817 is an equidigital number, since it uses as much as digits as its factorization.

2089570817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258222.

The product of its (nonzero) digits is 282240, while the sum is 47.

The square root of 2089570817 is about 45711.8236017773. The cubic root of 2089570817 is about 1278.4557420470.

The spelling of 2089570817 in words is "two billion, eighty-nine million, five hundred seventy thousand, eight hundred seventeen".