8042209159 has 4 divisors (see below), whose sum is σ = 8515280304. Its totient is φ = 7569138016.

The previous prime is 8042209139. The next prime is 8042209169. The reversal of 8042209159 is 9519022408.

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 8042209159 - 2²³ = 8033820551 is a prime.

It is a Smith number, since the sum of its digits (40) 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 (8042209139) 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, 236535547 + ... + 236535580.

It is an arithmetic number, because the mean of its divisors is an integer number (2128820076).

Almost surely, 2^8042209159 is an apocalyptic number.

8042209159 is a deficient number, since it is larger than the sum of its proper divisors (473071145).

8042209159 is a wasteful number, since it uses less digits than its factorization.

8042209159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473071144.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 8042209159 is about 89678.3650553465. The cubic root of 8042209159 is about 2003.5112618293.

The spelling of 8042209159 in words is "eight billion, forty-two million, two hundred nine thousand, one hundred fifty-nine".