242855407347 has 24 divisors (see below), whose sum is σ = 377811755712. Its totient is φ = 138355232400.

The previous prime is 242855407343. The next prime is 242855407351. The reversal of 242855407347 is 743704558242.

It is an interprime number because it is at equal distance from previous prime (242855407343) and next prime (242855407351).

It is not a de Polignac number, because 242855407347 - 2² = 242855407343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242855407347.

It is not an unprimeable number, because it can be changed into a prime (242855407343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2446929 + ... + 2544242.

It is an arithmetic number, because the mean of its divisors is an integer number (15742156488).

Almost surely, 2^242855407347 is an apocalyptic number.

242855407347 is a deficient number, since it is larger than the sum of its proper divisors (134956348365).

242855407347 is a wasteful number, since it uses less digits than its factorization.

242855407347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991519 (or 4991512 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 51.

The spelling of 242855407347 in words is "two hundred forty-two billion, eight hundred fifty-five million, four hundred seven thousand, three hundred forty-seven".