2133967764 has 24 divisors (see below), whose sum is σ = 5049390528. Its totient is φ = 701303680.

The previous prime is 2133967757. The next prime is 2133967799. The reversal of 2133967764 is 4677693312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251477 + ... + 1253180.

It is an arithmetic number, because the mean of its divisors is an integer number (210391272).

Almost surely, 2^2133967764 is an apocalyptic number.

It is an amenable number.

2133967764 is an abundant number, since it is smaller than the sum of its proper divisors (2915422764).

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

2133967764 is a wasteful number, since it uses less digits than its factorization.

2133967764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504735 (or 2504733 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 48.

The square root of 2133967764 is about 46194.8889380633. Note that the first 3 decimals coincide. The cubic root of 2133967764 is about 1287.4467785082.

The spelling of 2133967764 in words is "two billion, one hundred thirty-three million, nine hundred sixty-seven thousand, seven hundred sixty-four".