6920239559 has 4 divisors (see below), whose sum is σ = 6921567216. Its totient is φ = 6918911904.

The previous prime is 6920239553. The next prime is 6920239561. The reversal of 6920239559 is 9559320296.

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 6920239559 - 2³² = 2625272263 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 (6920239553) 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, 655979 + ... + 666444.

It is an arithmetic number, because the mean of its divisors is an integer number (1730391804).

Almost surely, 2^6920239559 is an apocalyptic number.

6920239559 is a deficient number, since it is larger than the sum of its proper divisors (1327657).

6920239559 is a wasteful number, since it uses less digits than its factorization.

6920239559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327656.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The square root of 6920239559 is about 83187.9772503215. The cubic root of 6920239559 is about 1905.6378764163.

The spelling of 6920239559 in words is "six billion, nine hundred twenty million, two hundred thirty-nine thousand, five hundred fifty-nine".