299475338399 has 4 divisors (see below), whose sum is σ = 305125816536. Its totient is φ = 293824860264.

The previous prime is 299475338389. The next prime is 299475338411. The reversal of 299475338399 is 993833574992.

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

It is not a de Polignac number, because 299475338399 - 2⁸ = 299475338143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299475338339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825238989 + ... + 2825239094.

It is an arithmetic number, because the mean of its divisors is an integer number (76281454134).

Almost surely, 2^299475338399 is an apocalyptic number.

299475338399 is a deficient number, since it is larger than the sum of its proper divisors (5650478137).

299475338399 is an equidigital number, since it uses as much as digits as its factorization.

299475338399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650478136.

The product of its digits is 396809280, while the sum is 71.

The spelling of 299475338399 in words is "two hundred ninety-nine billion, four hundred seventy-five million, three hundred thirty-eight thousand, three hundred ninety-nine".