242425163321 has 4 divisors (see below), whose sum is σ = 264463814544. Its totient is φ = 220386512100.

The previous prime is 242425163221. The next prime is 242425163333. The reversal of 242425163321 is 123361524242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242425163321 - 2¹⁸ = 242424901177 is a prime.

It is a super-2 number, since 2×242425163321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242425163221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11019325595 + ... + 11019325616.

It is an arithmetic number, because the mean of its divisors is an integer number (66115953636).

Almost surely, 2^242425163321 is an apocalyptic number.

It is an amenable number.

242425163321 is a deficient number, since it is larger than the sum of its proper divisors (22038651223).

242425163321 is a wasteful number, since it uses less digits than its factorization.

242425163321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22038651222.

The product of its digits is 69120, while the sum is 35.

Adding to 242425163321 its reverse (123361524242), we get a palindrome (365786687563).

The spelling of 242425163321 in words is "two hundred forty-two billion, four hundred twenty-five million, one hundred sixty-three thousand, three hundred twenty-one".