299818049139 has 24 divisors (see below), whose sum is σ = 494959046400. Its totient is φ = 171317221488.

The previous prime is 299818049117. The next prime is 299818049143. The reversal of 299818049139 is 931940818992.

299818049139 is a `hidden beast` number, since 29 + 98 + 1 + 8 + 0 + 491 + 39 = 666.

It is not a de Polignac number, because 299818049139 - 2¹⁶ = 299817983603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (299818049159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1592914 + ... + 1771160.

It is an arithmetic number, because the mean of its divisors is an integer number (20623293600).

Almost surely, 2^299818049139 is an apocalyptic number.

299818049139 is a deficient number, since it is larger than the sum of its proper divisors (195140997261).

299818049139 is a wasteful number, since it uses less digits than its factorization.

299818049139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204959 (or 204956 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 63.

The spelling of 299818049139 in words is "two hundred ninety-nine billion, eight hundred eighteen million, forty-nine thousand, one hundred thirty-nine".