2999679399 has 20 divisors (see below), whose sum is σ = 4486218264. Its totient is φ = 1997458704.

The previous prime is 2999679379. The next prime is 2999679439. The reversal of 2999679399 is 9939769992.

It is not a de Polignac number, because 2999679399 - 2¹⁵ = 2999646631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999679329) 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 19 ways as a sum of consecutive naturals, for example, 49924 + ... + 92150.

Almost surely, 2^2999679399 is an apocalyptic number.

2999679399 is a deficient number, since it is larger than the sum of its proper divisors (1486538865).

2999679399 is an equidigital number, since it uses as much as digits as its factorization.

2999679399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43116 (or 43107 counting only the distinct ones).

The product of its digits is 133923132, while the sum is 72.

The square root of 2999679399 is about 54769.3289989936. The cubic root of 2999679399 is about 1442.1981921822.

The spelling of 2999679399 in words is "two billion, nine hundred ninety-nine million, six hundred seventy-nine thousand, three hundred ninety-nine".