2133269409 has 4 divisors (see below), whose sum is σ = 2844359216. Its totient is φ = 1422179604.

The previous prime is 2133269381. The next prime is 2133269443. The reversal of 2133269409 is 9049623312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2133269409 - 2¹⁶ = 2133203873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133269449) 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, 355544899 + ... + 355544904.

It is an arithmetic number, because the mean of its divisors is an integer number (711089804).

Almost surely, 2^2133269409 is an apocalyptic number.

It is an amenable number.

2133269409 is a deficient number, since it is larger than the sum of its proper divisors (711089807).

2133269409 is an equidigital number, since it uses as much as digits as its factorization.

2133269409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711089806.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 2133269409 is about 46187.3295287788. The cubic root of 2133269409 is about 1287.3063213738.

The spelling of 2133269409 in words is "two billion, one hundred thirty-three million, two hundred sixty-nine thousand, four hundred nine".