242653124642 has 16 divisors (see below), whose sum is σ = 379831697280. Its totient is φ = 116043303552.

The previous prime is 242653124627. The next prime is 242653124647. The reversal of 242653124642 is 246421356242.

It is a self number, because there is not a number n which added to its sum of digits gives 242653124642.

It is not an unprimeable number, because it can be changed into a prime (242653124647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499859 + ... + 857417.

It is an arithmetic number, because the mean of its divisors is an integer number (23739481080).

Almost surely, 2^242653124642 is an apocalyptic number.

242653124642 is a deficient number, since it is larger than the sum of its proper divisors (137178572638).

242653124642 is a wasteful number, since it uses less digits than its factorization.

242653124642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372337.

The product of its digits is 552960, while the sum is 41.

The spelling of 242653124642 in words is "two hundred forty-two billion, six hundred fifty-three million, one hundred twenty-four thousand, six hundred forty-two".