242210551427 has 4 divisors (see below), whose sum is σ = 260842132320. Its totient is φ = 223578970536.

The previous prime is 242210551423. The next prime is 242210551433. The reversal of 242210551427 is 724155012242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242210551427 - 2² = 242210551423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242210551423) 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, 9315790427 + ... + 9315790452.

It is an arithmetic number, because the mean of its divisors is an integer number (65210533080).

Almost surely, 2^242210551427 is an apocalyptic number.

242210551427 is a deficient number, since it is larger than the sum of its proper divisors (18631580893).

242210551427 is a wasteful number, since it uses less digits than its factorization.

242210551427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18631580892.

The product of its (nonzero) digits is 44800, while the sum is 35.

Adding to 242210551427 its reverse (724155012242), we get a palindrome (966365563669).

The spelling of 242210551427 in words is "two hundred forty-two billion, two hundred ten million, five hundred fifty-one thousand, four hundred twenty-seven".