42600664219 has 2 divisors, whose sum is σ = 42600664220. Its totient is φ = 42600664218.

The previous prime is 42600664187. The next prime is 42600664229. The reversal of 42600664219 is 91246600624.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42600664219 - 2⁵ = 42600664187 is a prime.

It is a super-2 number, since 2×42600664219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42600664229) 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, 21300332109 + 21300332110.

It is an arithmetic number, because the mean of its divisors is an integer number (21300332110).

Almost surely, 2^42600664219 is an apocalyptic number.

42600664219 is a deficient number, since it is larger than the sum of its proper divisors (1).

42600664219 is an equidigital number, since it uses as much as digits as its factorization.

42600664219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 42600664219 in words is "forty-two billion, six hundred million, six hundred sixty-four thousand, two hundred nineteen".