42066211433 has 2 divisors, whose sum is σ = 42066211434. Its totient is φ = 42066211432.

The previous prime is 42066211387. The next prime is 42066211463. The reversal of 42066211433 is 33411266024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21137670544 + 20928540889 = 145388^2 + 144667^2 .

It is a cyclic number.

It is not a de Polignac number, because 42066211433 - 2⁸ = 42066211177 is a prime.

It is a super-2 number, since 2×42066211433² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42066211433.

It is not a weakly prime, because it can be changed into another prime (42066211463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21033105716 + 21033105717.

It is an arithmetic number, because the mean of its divisors is an integer number (21033105717).

Almost surely, 2^42066211433 is an apocalyptic number.

It is an amenable number.

42066211433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42066211433 is an equidigital number, since it uses as much as digits as its factorization.

42066211433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 42066211433 its reverse (33411266024), we get a palindrome (75477477457).

The spelling of 42066211433 in words is "forty-two billion, sixty-six million, two hundred eleven thousand, four hundred thirty-three".