299999356205 has 16 divisors (see below), whose sum is σ = 362707248384. Its totient is φ = 238200766080.

The previous prime is 299999356199. The next prime is 299999356231. The reversal of 299999356205 is 502653999992.

It is not a de Polignac number, because 299999356205 - 2²⁰ = 299998307629 is a prime.

It is a super-2 number, since 2×299999356205² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51689 + ... + 776318.

It is an arithmetic number, because the mean of its divisors is an integer number (22669203024).

Almost surely, 2^299999356205 is an apocalyptic number.

It is an amenable number.

299999356205 is a deficient number, since it is larger than the sum of its proper divisors (62707892179).

299999356205 is a wasteful number, since it uses less digits than its factorization.

299999356205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828556.

The product of its (nonzero) digits is 106288200, while the sum is 68.

The spelling of 299999356205 in words is "two hundred ninety-nine billion, nine hundred ninety-nine million, three hundred fifty-six thousand, two hundred five".