299429964849 has 4 divisors (see below), whose sum is σ = 399239953136. Its totient is φ = 199619976564.

The previous prime is 299429964833. The next prime is 299429964857. The reversal of 299429964849 is 948469924992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 299429964849 - 2⁴ = 299429964833 is a prime.

It is a super-3 number, since 3×299429964849³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (299429964149) 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, 49904994139 + ... + 49904994144.

It is an arithmetic number, because the mean of its divisors is an integer number (99809988284).

Almost surely, 2^299429964849 is an apocalyptic number.

It is an amenable number.

299429964849 is a deficient number, since it is larger than the sum of its proper divisors (99809988287).

299429964849 is an equidigital number, since it uses as much as digits as its factorization.

299429964849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99809988286.

The product of its digits is 725594112, while the sum is 75.

The spelling of 299429964849 in words is "two hundred ninety-nine billion, four hundred twenty-nine million, nine hundred sixty-four thousand, eight hundred forty-nine".