42110223193 has 2 divisors, whose sum is σ = 42110223194. Its totient is φ = 42110223192.

The previous prime is 42110223179. The next prime is 42110223271. The reversal of 42110223193 is 39132201124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40438394649 + 1671828544 = 201093^2 + 40888^2 .

It is a cyclic number.

It is not a de Polignac number, because 42110223193 - 2⁵ = 42110223161 is a prime.

It is not a weakly prime, because it can be changed into another prime (42110223893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055111596 + 21055111597.

It is an arithmetic number, because the mean of its divisors is an integer number (21055111597).

Almost surely, 2^42110223193 is an apocalyptic number.

It is an amenable number.

42110223193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42110223193 is an equidigital number, since it uses as much as digits as its factorization.

42110223193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 42110223193 in words is "forty-two billion, one hundred ten million, two hundred twenty-three thousand, one hundred ninety-three".