442331543573 has 2 divisors, whose sum is σ = 442331543574. Its totient is φ = 442331543572.

The previous prime is 442331543551. The next prime is 442331543603. The reversal of 442331543573 is 375345133244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414244129924 + 28087413649 = 643618^2 + 167593^2 .

It is a cyclic number.

It is not a de Polignac number, because 442331543573 - 2³⁶ = 373612066837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442331542573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221165771786 + 221165771787.

It is an arithmetic number, because the mean of its divisors is an integer number (221165771787).

Almost surely, 2^442331543573 is an apocalyptic number.

It is an amenable number.

442331543573 is a deficient number, since it is larger than the sum of its proper divisors (1).

442331543573 is an equidigital number, since it uses as much as digits as its factorization.

442331543573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 44.

The spelling of 442331543573 in words is "four hundred forty-two billion, three hundred thirty-one million, five hundred forty-three thousand, five hundred seventy-three".