33442131193 has 2 divisors, whose sum is σ = 33442131194. Its totient is φ = 33442131192.

The previous prime is 33442131181. The next prime is 33442131227. The reversal of 33442131193 is 39113124433.

It is an a-pointer prime, because the next prime (33442131227) can be obtained adding 33442131193 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29553735744 + 3888395449 = 171912^2 + 62357^2 .

It is a cyclic number.

It is not a de Polignac number, because 33442131193 - 2⁵ = 33442131161 is a prime.

It is a super-2 number, since 2×33442131193² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33442131133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16721065596 + 16721065597.

It is an arithmetic number, because the mean of its divisors is an integer number (16721065597).

Almost surely, 2^33442131193 is an apocalyptic number.

It is an amenable number.

33442131193 is a deficient number, since it is larger than the sum of its proper divisors (1).

33442131193 is an equidigital number, since it uses as much as digits as its factorization.

33442131193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The spelling of 33442131193 in words is "thirty-three billion, four hundred forty-two million, one hundred thirty-one thousand, one hundred ninety-three".