8042642059 has 2 divisors, whose sum is σ = 8042642060. Its totient is φ = 8042642058.

The previous prime is 8042642029. The next prime is 8042642087. The reversal of 8042642059 is 9502462408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8042642059 - 2⁷ = 8042641931 is a prime.

It is not a weakly prime, because it can be changed into another prime (8042642029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021321029 + 4021321030.

It is an arithmetic number, because the mean of its divisors is an integer number (4021321030).

Almost surely, 2^8042642059 is an apocalyptic number.

8042642059 is a deficient number, since it is larger than the sum of its proper divisors (1).

8042642059 is an equidigital number, since it uses as much as digits as its factorization.

8042642059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 8042642059 is about 89680.7786484930. The cubic root of 8042642059 is about 2003.5472098484.

The spelling of 8042642059 in words is "eight billion, forty-two million, six hundred forty-two thousand, fifty-nine".