299520972242 has 6 divisors (see below), whose sum is σ = 449282619333. Its totient is φ = 149760099132.

The previous prime is 299520972229. The next prime is 299520972269. The reversal of 299520972242 is 242279025992.

It can be written as a sum of positive squares in 2 ways, for example, as 294457084321 + 5063887921 = 542639^2 + 71161^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=386989.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 580484 + ... + 967472.

Almost surely, 2^299520972242 is an apocalyptic number.

299520972242 is a deficient number, since it is larger than the sum of its proper divisors (149761647091).

299520972242 is an frugal number, since it uses more digits than its factorization.

299520972242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773980 (or 386991 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 299520972242 in words is "two hundred ninety-nine billion, five hundred twenty million, nine hundred seventy-two thousand, two hundred forty-two".