6738040559 has 4 divisors (see below), whose sum is σ = 7134395904. Its totient is φ = 6341685216.

The previous prime is 6738040537. The next prime is 6738040567. The reversal of 6738040559 is 9550408376.

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

It is a cyclic number.

It is not a de Polignac number, because 6738040559 - 2²⁰ = 6736991983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6738040579) 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, 198177647 + ... + 198177680.

It is an arithmetic number, because the mean of its divisors is an integer number (1783598976).

Almost surely, 2^6738040559 is an apocalyptic number.

6738040559 is a deficient number, since it is larger than the sum of its proper divisors (396355345).

6738040559 is a wasteful number, since it uses less digits than its factorization.

6738040559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396355344.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 6738040559 is about 82085.5685184674. The cubic root of 6738040559 is about 1888.7647704566.

The spelling of 6738040559 in words is "six billion, seven hundred thirty-eight million, forty thousand, five hundred fifty-nine".