242043221433 has 16 divisors (see below), whose sum is σ = 347640128640. Its totient is φ = 148910722944.

The previous prime is 242043221411. The next prime is 242043221437. The reversal of 242043221433 is 334122340242.

It is not a de Polignac number, because 242043221433 - 2¹⁶ = 242043155897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242043221433.

It is not an unprimeable number, because it can be changed into a prime (242043221437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660093 + ... + 959066.

It is an arithmetic number, because the mean of its divisors is an integer number (21727508040).

Almost surely, 2^242043221433 is an apocalyptic number.

It is an amenable number.

242043221433 is a deficient number, since it is larger than the sum of its proper divisors (105596907207).

242043221433 is a wasteful number, since it uses less digits than its factorization.

242043221433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623008.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 242043221433 its reverse (334122340242), we get a palindrome (576165561675).

The spelling of 242043221433 in words is "two hundred forty-two billion, forty-three million, two hundred twenty-one thousand, four hundred thirty-three".