42042213394199 has 2 divisors, whose sum is σ = 42042213394200. Its totient is φ = 42042213394198.

The previous prime is 42042213394177. The next prime is 42042213394219. The reversal of 42042213394199 is 99149331224024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42042213394199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42042213394199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42042213393199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021106697099 + 21021106697100.

It is an arithmetic number, because the mean of its divisors is an integer number (21021106697100).

Almost surely, 2^{42042213394199} is an apocalyptic number.

42042213394199 is a deficient number, since it is larger than the sum of its proper divisors (1).

42042213394199 is an equidigital number, since it uses as much as digits as its factorization.

42042213394199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 42042213394199 in words is "forty-two trillion, forty-two billion, two hundred thirteen million, three hundred ninety-four thousand, one hundred ninety-nine".