242523819247 has 8 divisors (see below), whose sum is σ = 242747416080. Its totient is φ = 242300298240.

The previous prime is 242523819163. The next prime is 242523819253. The reversal of 242523819247 is 742918325242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242523819247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242523819247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242523819287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7822797 + ... + 7853737.

It is an arithmetic number, because the mean of its divisors is an integer number (30343427010).

Almost surely, 2^242523819247 is an apocalyptic number.

242523819247 is a deficient number, since it is larger than the sum of its proper divisors (223596833).

242523819247 is a wasteful number, since it uses less digits than its factorization.

242523819247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37913.

The product of its digits is 1935360, while the sum is 49.

The spelling of 242523819247 in words is "two hundred forty-two billion, five hundred twenty-three million, eight hundred nineteen thousand, two hundred forty-seven".