2669629899 has 4 divisors (see below), whose sum is σ = 3559506536. Its totient is φ = 1779753264.

The previous prime is 2669629889. The next prime is 2669629913. The reversal of 2669629899 is 9989269662.

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

It is not a de Polignac number, because 2669629899 - 2⁸ = 2669629643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669629819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444938314 + ... + 444938319.

It is an arithmetic number, because the mean of its divisors is an integer number (889876634).

Almost surely, 2^2669629899 is an apocalyptic number.

2669629899 is a deficient number, since it is larger than the sum of its proper divisors (889876637).

2669629899 is an equidigital number, since it uses as much as digits as its factorization.

2669629899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889876636.

The product of its digits is 45349632, while the sum is 66.

The square root of 2669629899 is about 51668.4613570019. The cubic root of 2669629899 is about 1387.2360061982.

The spelling of 2669629899 in words is "two billion, six hundred sixty-nine million, six hundred twenty-nine thousand, eight hundred ninety-nine".