2090669652 has 18 divisors (see below), whose sum is σ = 5284748378. Its totient is φ = 696889872.

The previous prime is 2090669627. The next prime is 2090669723. The reversal of 2090669652 is 2569660902.

It can be written as a sum of positive squares in only one way, i.e., 1651934736 + 438734916 = 40644^2 + 20946^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2090669652² = 8741799187587602208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2090669598 and 2090669607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29037043 + ... + 29037114.

Almost surely, 2^2090669652 is an apocalyptic number.

It is an amenable number.

2090669652 is an abundant number, since it is smaller than the sum of its proper divisors (3194078726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2090669652 is a wasteful number, since it uses less digits than its factorization.

2090669652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58074167 (or 58074162 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 2090669652 is about 45723.8411772239. The cubic root of 2090669652 is about 1278.6798017324.

The spelling of 2090669652 in words is "two billion, ninety million, six hundred sixty-nine thousand, six hundred fifty-two".