8042870659 has 2 divisors, whose sum is σ = 8042870660. Its totient is φ = 8042870658.

The previous prime is 8042870653. The next prime is 8042870687. The reversal of 8042870659 is 9560782408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8042870659 - 2²³ = 8034482051 is a prime.

It is not a weakly prime, because it can be changed into another prime (8042870653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021435329 + 4021435330.

It is an arithmetic number, because the mean of its divisors is an integer number (4021435330).

Almost surely, 2^8042870659 is an apocalyptic number.

8042870659 is a deficient number, since it is larger than the sum of its proper divisors (1).

8042870659 is an equidigital number, since it uses as much as digits as its factorization.

8042870659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 8042870659 is about 89682.0531600387. The cubic root of 8042870659 is about 2003.5661922735.

The spelling of 8042870659 in words is "eight billion, forty-two million, eight hundred seventy thousand, six hundred fifty-nine".