242544454493 has 4 divisors (see below), whose sum is σ = 264593950368. Its totient is φ = 220494958620.

The previous prime is 242544454483. The next prime is 242544454507. The reversal of 242544454493 is 394454445242.

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 242544454493 - 2³² = 238249487197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242544454483) 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, 11024747921 + ... + 11024747942.

It is an arithmetic number, because the mean of its divisors is an integer number (66148487592).

Almost surely, 2^242544454493 is an apocalyptic number.

It is an amenable number.

242544454493 is a deficient number, since it is larger than the sum of its proper divisors (22049495875).

242544454493 is a wasteful number, since it uses less digits than its factorization.

242544454493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22049495874.

The product of its digits is 11059200, while the sum is 50.

The spelling of 242544454493 in words is "two hundred forty-two billion, five hundred forty-four million, four hundred fifty-four thousand, four hundred ninety-three".