2089785769 has 8 divisors (see below), whose sum is σ = 2140312320. Its totient is φ = 2039511936.

The previous prime is 2089785749. The next prime is 2089785793. The reversal of 2089785769 is 9675879802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2089785769 - 2²⁵ = 2056231337 is a prime.

It is a super-2 number, since 2×2089785769² = 8734409120629842722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2089785739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46389 + ... + 79570.

It is an arithmetic number, because the mean of its divisors is an integer number (267539040).

Almost surely, 2^2089785769 is an apocalyptic number.

It is an amenable number.

2089785769 is a deficient number, since it is larger than the sum of its proper divisors (50526551).

2089785769 is a wasteful number, since it uses less digits than its factorization.

2089785769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126359.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The square root of 2089785769 is about 45714.1747054456. The cubic root of 2089785769 is about 1278.4995783528.

The spelling of 2089785769 in words is "two billion, eighty-nine million, seven hundred eighty-five thousand, seven hundred sixty-nine".