5442442381 has 2 divisors, whose sum is σ = 5442442382. Its totient is φ = 5442442380.

The previous prime is 5442442363. The next prime is 5442442393. The reversal of 5442442381 is 1832442445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3766276900 + 1676165481 = 61370^2 + 40941^2 .

It is a cyclic number.

It is not a de Polignac number, because 5442442381 - 2⁵ = 5442442349 is a prime.

It is a super-2 number, since 2×5442442381² = 59240358141009898322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5442442381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5442442301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721221190 + 2721221191.

It is an arithmetic number, because the mean of its divisors is an integer number (2721221191).

Almost surely, 2^5442442381 is an apocalyptic number.

It is an amenable number.

5442442381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5442442381 is an equidigital number, since it uses as much as digits as its factorization.

5442442381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 37.

The square root of 5442442381 is about 73772.9108887537. The cubic root of 5442442381 is about 1758.9950337294.

The spelling of 5442442381 in words is "five billion, four hundred forty-two million, four hundred forty-two thousand, three hundred eighty-one".