2669989433 has 4 divisors (see below), whose sum is σ = 2677034640. Its totient is φ = 2662944228.

The previous prime is 2669989403. The next prime is 2669989493. The reversal of 2669989433 is 3349899662.

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 a cyclic number.

It is not a de Polignac number, because 2669989433 - 2⁶ = 2669989369 is a prime.

It is a super-2 number, since 2×2669989433² = 14257687144663322978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669989403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3522035 + ... + 3522792.

It is an arithmetic number, because the mean of its divisors is an integer number (669258660).

Almost surely, 2^2669989433 is an apocalyptic number.

It is an amenable number.

2669989433 is a deficient number, since it is larger than the sum of its proper divisors (7045207).

2669989433 is an equidigital number, since it uses as much as digits as its factorization.

2669989433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045206.

The product of its digits is 15116544, while the sum is 59.

The square root of 2669989433 is about 51671.9404803032. The cubic root of 2669989433 is about 1387.2982790151.

The spelling of 2669989433 in words is "two billion, six hundred sixty-nine million, nine hundred eighty-nine thousand, four hundred thirty-three".