2133009999 has 12 divisors (see below), whose sum is σ = 3086912296. Its totient is φ = 1419284592.

The previous prime is 2133009961. The next prime is 2133010021. The reversal of 2133009999 is 9999003312.

It is not a de Polignac number, because 2133009999 - 2²³ = 2124621391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133009919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221872 + ... + 231285.

Almost surely, 2^2133009999 is an apocalyptic number.

2133009999 is a deficient number, since it is larger than the sum of its proper divisors (953902297).

2133009999 is a wasteful number, since it uses less digits than its factorization.

2133009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453686 (or 453683 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The square root of 2133009999 is about 46184.5212057027. The cubic root of 2133009999 is about 1287.2541395493.

The spelling of 2133009999 in words is "two billion, one hundred thirty-three million, nine thousand, nine hundred ninety-nine".