534442342549 has 4 divisors (see below), whose sum is σ = 540447312780. Its totient is φ = 528437372320.

The previous prime is 534442342523. The next prime is 534442342591. The reversal of 534442342549 is 945243244435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80460159025 + 453982183524 = 283655^2 + 673782^2 .

It is a cyclic number.

It is not a de Polignac number, because 534442342549 - 2³³ = 525852407957 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534442342249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002484982 + ... + 3002485159.

It is an arithmetic number, because the mean of its divisors is an integer number (135111828195).

Almost surely, 2^534442342549 is an apocalyptic number.

It is an amenable number.

534442342549 is a deficient number, since it is larger than the sum of its proper divisors (6004970231).

534442342549 is an equidigital number, since it uses as much as digits as its factorization.

534442342549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004970230.

The product of its digits is 8294400, while the sum is 49.

The spelling of 534442342549 in words is "five hundred thirty-four billion, four hundred forty-two million, three hundred forty-two thousand, five hundred forty-nine".