42343420334219 has 2 divisors, whose sum is σ = 42343420334220. Its totient is φ = 42343420334218.

The previous prime is 42343420334207. The next prime is 42343420334251. The reversal of 42343420334219 is 91243302434324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42343420334219 is a prime.

It is a super-2 number, since 2×42343420334219² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42343420334219.

It is not a weakly prime, because it can be changed into another prime (42343420336219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171710167109 + 21171710167110.

It is an arithmetic number, because the mean of its divisors is an integer number (21171710167110).

Almost surely, 2^{42343420334219} is an apocalyptic number.

42343420334219 is a deficient number, since it is larger than the sum of its proper divisors (1).

42343420334219 is an equidigital number, since it uses as much as digits as its factorization.

42343420334219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 42343420334219 in words is "forty-two trillion, three hundred forty-three billion, four hundred twenty million, three hundred thirty-four thousand, two hundred nineteen".