242434354451 has 4 divisors (see below), whose sum is σ = 242754611952. Its totient is φ = 242114096952.

The previous prime is 242434354441. The next prime is 242434354469. The reversal of 242434354451 is 154453434242.

242434354451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242434354451 is a prime.

It is a super-2 number, since 2×242434354451² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242434354399 and 242434354408.

It is not an unprimeable number, because it can be changed into a prime (242434354411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160127615 + ... + 160129128.

It is an arithmetic number, because the mean of its divisors is an integer number (60688652988).

Almost surely, 2^242434354451 is an apocalyptic number.

242434354451 is a deficient number, since it is larger than the sum of its proper divisors (320257501).

242434354451 is an equidigital number, since it uses as much as digits as its factorization.

242434354451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320257500.

The product of its digits is 921600, while the sum is 41.

Adding to 242434354451 its reverse (154453434242), we get a palindrome (396887788693).

The spelling of 242434354451 in words is "two hundred forty-two billion, four hundred thirty-four million, three hundred fifty-four thousand, four hundred fifty-one".