242633821239 has 72 divisors (see below), whose sum is σ = 377099770320. Its totient is φ = 150064992000.

The previous prime is 242633821217. The next prime is 242633821249. The reversal of 242633821239 is 932128336242.

242633821239 is a `hidden beast` number, since 2 + 4 + 2 + 633 + 8 + 2 + 1 + 2 + 3 + 9 = 666.

It is not a de Polignac number, because 242633821239 - 2⁵ = 242633821207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242633821194 and 242633821203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242633821249) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48034264 + ... + 48039314.

It is an arithmetic number, because the mean of its divisors is an integer number (5237496810).

Almost surely, 2^242633821239 is an apocalyptic number.

242633821239 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

242633821239 is a deficient number, since it is larger than the sum of its proper divisors (134465949081).

242633821239 is a wasteful number, since it uses less digits than its factorization.

242633821239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5191 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 242633821239 in words is "two hundred forty-two billion, six hundred thirty-three million, eight hundred twenty-one thousand, two hundred thirty-nine".