2133860690 has 16 divisors (see below), whose sum is σ = 4136407128. Its totient is φ = 787886976.

The previous prime is 2133860671. The next prime is 2133860711. The reversal of 2133860690 is 960683312.

It can be written as a sum of positive squares in 4 ways, for example, as 1166837281 + 967023409 = 34159^2 + 31097^2 .

It is a super-2 number, since 2×2133860690² = 9106722888654552200, which contains 22 as substring.

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, 8207027 + ... + 8207286.

Almost surely, 2^2133860690 is an apocalyptic number.

2133860690 is a deficient number, since it is larger than the sum of its proper divisors (2002546438).

2133860690 is a wasteful number, since it uses less digits than its factorization.

2133860690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16414333.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 2133860690 is about 46193.7299857892. The cubic root of 2133860690 is about 1287.4252451648.

It can be divided in two parts, 21338 and 60690, that added together give a palindrome (82028).

The spelling of 2133860690 in words is "two billion, one hundred thirty-three million, eight hundred sixty thousand, six hundred ninety".