299820346449 has 16 divisors (see below), whose sum is σ = 444398728704. Its totient is φ = 178553059200.

The previous prime is 299820346447. The next prime is 299820346489. The reversal of 299820346449 is 944643028992.

It is not a de Polignac number, because 299820346449 - 2¹ = 299820346447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299820346392 and 299820346401.

It is not an unprimeable number, because it can be changed into a prime (299820346447) 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, 123993972 + ... + 123996389.

It is an arithmetic number, because the mean of its divisors is an integer number (27774920544).

Almost surely, 2^299820346449 is an apocalyptic number.

It is an amenable number.

299820346449 is a deficient number, since it is larger than the sum of its proper divisors (144578382255).

299820346449 is a wasteful number, since it uses less digits than its factorization.

299820346449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247990408.

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 299820346449 in words is "two hundred ninety-nine billion, eight hundred twenty million, three hundred forty-six thousand, four hundred forty-nine".