2999805399 has 6 divisors (see below), whose sum is σ = 4333052256. Its totient is φ = 1999870260.

The previous prime is 2999805359. The next prime is 2999805421. The reversal of 2999805399 is 9935089992.

2999805399 is a `hidden beast` number, since 2 + 9 + 9 + 98 + 0 + 539 + 9 = 666.

It is not a de Polignac number, because 2999805399 - 2¹⁶ = 2999739863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2999805349) 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 5 ways as a sum of consecutive naturals, for example, 166655847 + ... + 166655864.

It is an arithmetic number, because the mean of its divisors is an integer number (722175376).

Almost surely, 2^2999805399 is an apocalyptic number.

2999805399 is a deficient number, since it is larger than the sum of its proper divisors (1333246857).

2999805399 is a wasteful number, since it uses less digits than its factorization.

2999805399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333311717 (or 333311714 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 63.

The square root of 2999805399 is about 54770.4792657505. The cubic root of 2999805399 is about 1442.2183848321.

The spelling of 2999805399 in words is "two billion, nine hundred ninety-nine million, eight hundred five thousand, three hundred ninety-nine".