433242322181 has 2 divisors, whose sum is σ = 433242322182. Its totient is φ = 433242322180.

The previous prime is 433242322159. The next prime is 433242322207. The reversal of 433242322181 is 181223242334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322386619681 + 110855702500 = 567791^2 + 332950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-433242322181 is a prime.

It is a super-2 number, since 2×433242322181² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433241322181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216621161090 + 216621161091.

It is an arithmetic number, because the mean of its divisors is an integer number (216621161091).

Almost surely, 2^433242322181 is an apocalyptic number.

It is an amenable number.

433242322181 is a deficient number, since it is larger than the sum of its proper divisors (1).

433242322181 is an equidigital number, since it uses as much as digits as its factorization.

433242322181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

The spelling of 433242322181 in words is "four hundred thirty-three billion, two hundred forty-two million, three hundred twenty-two thousand, one hundred eighty-one".