242552423999 has 4 divisors (see below), whose sum is σ = 256820213664. Its totient is φ = 228284634336.

The previous prime is 242552423983. The next prime is 242552424017. The reversal of 242552423999 is 999324255242.

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 242552423999 - 2⁴ = 242552423983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242552423699) 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, 7133894807 + ... + 7133894840.

It is an arithmetic number, because the mean of its divisors is an integer number (64205053416).

Almost surely, 2^242552423999 is an apocalyptic number.

242552423999 is a deficient number, since it is larger than the sum of its proper divisors (14267789665).

242552423999 is a wasteful number, since it uses less digits than its factorization.

242552423999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14267789664.

The product of its digits is 13996800, while the sum is 56.

The spelling of 242552423999 in words is "two hundred forty-two billion, five hundred fifty-two million, four hundred twenty-three thousand, nine hundred ninety-nine".