2133864385 has 8 divisors (see below), whose sum is σ = 2643238656. Its totient is φ = 1652023920.

The previous prime is 2133864367. The next prime is 2133864413. The reversal of 2133864385 is 5834683312.

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

It is not a de Polignac number, because 2133864385 - 2¹¹ = 2133862337 is a prime.

It is a Duffinian 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, 6883279 + ... + 6883588.

It is an arithmetic number, because the mean of its divisors is an integer number (330404832).

Almost surely, 2^2133864385 is an apocalyptic number.

It is an amenable number.

2133864385 is a deficient number, since it is larger than the sum of its proper divisors (509374271).

2133864385 is a wasteful number, since it uses less digits than its factorization.

2133864385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13766903.

The product of its digits is 414720, while the sum is 43.

The square root of 2133864385 is about 46193.7699803772. The cubic root of 2133864385 is about 1287.4259882676.

The spelling of 2133864385 in words is "two billion, one hundred thirty-three million, eight hundred sixty-four thousand, three hundred eighty-five".