42722116433 has 2 divisors, whose sum is σ = 42722116434. Its totient is φ = 42722116432.

The previous prime is 42722116427. The next prime is 42722116453. The reversal of 42722116433 is 33461122724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39207168064 + 3514948369 = 198008^2 + 59287^2 .

It is a cyclic number.

It is not a de Polignac number, because 42722116433 - 2⁶ = 42722116369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42722116393 and 42722116402.

It is not a weakly prime, because it can be changed into another prime (42722116453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361058216 + 21361058217.

It is an arithmetic number, because the mean of its divisors is an integer number (21361058217).

Almost surely, 2^42722116433 is an apocalyptic number.

It is an amenable number.

42722116433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42722116433 is an equidigital number, since it uses as much as digits as its factorization.

42722116433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The spelling of 42722116433 in words is "forty-two billion, seven hundred twenty-two million, one hundred sixteen thousand, four hundred thirty-three".