442452254243 has 2 divisors, whose sum is σ = 442452254244. Its totient is φ = 442452254242.

The previous prime is 442452254197. The next prime is 442452254249. The reversal of 442452254243 is 342452254244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442452254243 - 2¹⁰ = 442452253219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442452254243.

It is not a weakly prime, because it can be changed into another prime (442452254249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221226127121 + 221226127122.

It is an arithmetic number, because the mean of its divisors is an integer number (221226127122).

Almost surely, 2^442452254243 is an apocalyptic number.

442452254243 is a deficient number, since it is larger than the sum of its proper divisors (1).

442452254243 is an equidigital number, since it uses as much as digits as its factorization.

442452254243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1228800, while the sum is 41.

Subtracting from 442452254243 its reverse (342452254244), we obtain a palindrome (99999999999).

The spelling of 442452254243 in words is "four hundred forty-two billion, four hundred fifty-two million, two hundred fifty-four thousand, two hundred forty-three".