299809947915 has 16 divisors (see below), whose sum is σ = 532995463200. Its totient is φ = 159898638816.

The previous prime is 299809947911. The next prime is 299809947923. The reversal of 299809947915 is 519749908992.

It is not a de Polignac number, because 299809947915 - 2² = 299809947911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (299809947911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110407080 + ... + 1110407349.

It is an arithmetic number, because the mean of its divisors is an integer number (33312216450).

Almost surely, 2^299809947915 is an apocalyptic number.

299809947915 is a deficient number, since it is larger than the sum of its proper divisors (233185515285).

299809947915 is a wasteful number, since it uses less digits than its factorization.

299809947915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220814443 (or 2220814437 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 72.

The spelling of 299809947915 in words is "two hundred ninety-nine billion, eight hundred nine million, nine hundred forty-seven thousand, nine hundred fifteen".