642330534119 has 2 divisors, whose sum is σ = 642330534120. Its totient is φ = 642330534118.

The previous prime is 642330533993. The next prime is 642330534133. The reversal of 642330534119 is 911435033246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 642330534119 - 2³² = 638035566823 is a prime.

It is a super-2 number, since 2×642330534119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (642330534179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321165267059 + 321165267060.

It is an arithmetic number, because the mean of its divisors is an integer number (321165267060).

Almost surely, 2^642330534119 is an apocalyptic number.

642330534119 is a deficient number, since it is larger than the sum of its proper divisors (1).

642330534119 is an equidigital number, since it uses as much as digits as its factorization.

642330534119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 642330534119 in words is "six hundred forty-two billion, three hundred thirty million, five hundred thirty-four thousand, one hundred nineteen".