42202332191 has 2 divisors, whose sum is σ = 42202332192. Its totient is φ = 42202332190.

The previous prime is 42202332187. The next prime is 42202332203. The reversal of 42202332191 is 19123320224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42202332191 - 2² = 42202332187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42202332121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101166095 + 21101166096.

It is an arithmetic number, because the mean of its divisors is an integer number (21101166096).

Almost surely, 2^42202332191 is an apocalyptic number.

42202332191 is a deficient number, since it is larger than the sum of its proper divisors (1).

42202332191 is an equidigital number, since it uses as much as digits as its factorization.

42202332191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 42202332191 in words is "forty-two billion, two hundred two million, three hundred thirty-two thousand, one hundred ninety-one".