442344133403 has 2 divisors, whose sum is σ = 442344133404. Its totient is φ = 442344133402.

The previous prime is 442344133393. The next prime is 442344133409. The reversal of 442344133403 is 304331443244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442344133403 - 2¹² = 442344129307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (442344133409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221172066701 + 221172066702.

It is an arithmetic number, because the mean of its divisors is an integer number (221172066702).

Almost surely, 2^442344133403 is an apocalyptic number.

442344133403 is a deficient number, since it is larger than the sum of its proper divisors (1).

442344133403 is an equidigital number, since it uses as much as digits as its factorization.

442344133403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 442344133403 its reverse (304331443244), we get a palindrome (746675576647).

The spelling of 442344133403 in words is "four hundred forty-two billion, three hundred forty-four million, one hundred thirty-three thousand, four hundred three".