5442135509 has 2 divisors, whose sum is σ = 5442135510. Its totient is φ = 5442135508.

The previous prime is 5442135493. The next prime is 5442135521. The reversal of 5442135509 is 9055312445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5439062500 + 3073009 = 73750^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 5442135509 - 2⁴ = 5442135493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5442131509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721067754 + 2721067755.

It is an arithmetic number, because the mean of its divisors is an integer number (2721067755).

Almost surely, 2^5442135509 is an apocalyptic number.

It is an amenable number.

5442135509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5442135509 is an equidigital number, since it uses as much as digits as its factorization.

5442135509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 5442135509 is about 73770.8310174150. The cubic root of 5442135509 is about 1758.9619728086.

The spelling of 5442135509 in words is "five billion, four hundred forty-two million, one hundred thirty-five thousand, five hundred nine".