2133009979 has 4 divisors (see below), whose sum is σ = 2137617376. Its totient is φ = 2128402584.

The previous prime is 2133009961. The next prime is 2133010021. The reversal of 2133009979 is 9799003312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2133009979 - 2¹⁵ = 2132977211 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 2303004 + ... + 2303929.

It is an arithmetic number, because the mean of its divisors is an integer number (534404344).

Almost surely, 2^2133009979 is an apocalyptic number.

2133009979 is a deficient number, since it is larger than the sum of its proper divisors (4607397).

2133009979 is an equidigital number, since it uses as much as digits as its factorization.

2133009979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607396.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 2133009979 is about 46184.5209891799. The cubic root of 2133009979 is about 1287.2541355260.

The spelling of 2133009979 in words is "two billion, one hundred thirty-three million, nine thousand, nine hundred seventy-nine".