242573549299 has 2 divisors, whose sum is σ = 242573549300. Its totient is φ = 242573549298.

The previous prime is 242573549297. The next prime is 242573549341. The reversal of 242573549299 is 992945375242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242573549299 - 2¹ = 242573549297 is a prime.

Together with 242573549297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242573549297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121286774649 + 121286774650.

It is an arithmetic number, because the mean of its divisors is an integer number (121286774650).

Almost surely, 2^242573549299 is an apocalyptic number.

242573549299 is a deficient number, since it is larger than the sum of its proper divisors (1).

242573549299 is an equidigital number, since it uses as much as digits as its factorization.

242573549299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 61.

The spelling of 242573549299 in words is "two hundred forty-two billion, five hundred seventy-three million, five hundred forty-nine thousand, two hundred ninety-nine".