642262530370159 has 2 divisors, whose sum is σ = 642262530370160. Its totient is φ = 642262530370158.

The previous prime is 642262530370129. The next prime is 642262530370217. The reversal of 642262530370159 is 951073035262246.

642262530370159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 642262530370159 - 2¹³ = 642262530361967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (642262530370129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321131265185079 + 321131265185080.

It is an arithmetic number, because the mean of its divisors is an integer number (321131265185080).

Almost surely, 2^{642262530370159} is an apocalyptic number.

642262530370159 is a deficient number, since it is larger than the sum of its proper divisors (1).

642262530370159 is an equidigital number, since it uses as much as digits as its factorization.

642262530370159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 55.

The spelling of 642262530370159 in words is "six hundred forty-two trillion, two hundred sixty-two billion, five hundred thirty million, three hundred seventy thousand, one hundred fifty-nine".