42320413193 has 2 divisors, whose sum is σ = 42320413194. Its totient is φ = 42320413192.

The previous prime is 42320413183. The next prime is 42320413243. The reversal of 42320413193 is 39131402324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39973204489 + 2347208704 = 199933^2 + 48448^2 .

It is a cyclic number.

It is not a de Polignac number, because 42320413193 - 2⁶ = 42320413129 is a prime.

It is not a weakly prime, because it can be changed into another prime (42320413183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21160206596 + 21160206597.

It is an arithmetic number, because the mean of its divisors is an integer number (21160206597).

Almost surely, 2^42320413193 is an apocalyptic number.

It is an amenable number.

42320413193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42320413193 is an equidigital number, since it uses as much as digits as its factorization.

42320413193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 42320413193 in words is "forty-two billion, three hundred twenty million, four hundred thirteen thousand, one hundred ninety-three".