2133317745 has 48 divisors (see below), whose sum is σ = 3986498880. Its totient is φ = 1049113728.

The previous prime is 2133317741. The next prime is 2133317779. The reversal of 2133317745 is 5477133312.

2133317745 is a `hidden beast` number, since 213 + 331 + 77 + 45 = 666.

2133317745 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2133317745 - 2² = 2133317741 is a prime.

It is a super-2 number, since 2×2133317745² = 9102089202263770050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2133317741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 866326 + ... + 868784.

It is an arithmetic number, because the mean of its divisors is an integer number (83052060).

Almost surely, 2^2133317745 is an apocalyptic number.

It is an amenable number.

2133317745 is a deficient number, since it is larger than the sum of its proper divisors (1853181135).

2133317745 is a wasteful number, since it uses less digits than its factorization.

2133317745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966 (or 3963 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 2133317745 is about 46187.8527862034. The cubic root of 2133317745 is about 1287.3160439727.

The spelling of 2133317745 in words is "two billion, one hundred thirty-three million, three hundred seventeen thousand, seven hundred forty-five".