433442706213421 has 2 divisors, whose sum is σ = 433442706213422. Its totient is φ = 433442706213420.

The previous prime is 433442706213367. The next prime is 433442706213613. The reversal of 433442706213421 is 124312607244334.

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., 428245195375396 + 5197510838025 = 20694086^2 + 2279805^2 .

It is a cyclic number.

It is not a de Polignac number, because 433442706213421 - 2⁹ = 433442706212909 is a prime.

It is a super-2 number, since 2×433442706213421² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433442706217421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216721353106710 + 216721353106711.

It is an arithmetic number, because the mean of its divisors is an integer number (216721353106711).

Almost surely, 2^{433442706213421} is an apocalyptic number.

It is an amenable number.

433442706213421 is a deficient number, since it is larger than the sum of its proper divisors (1).

433442706213421 is an equidigital number, since it uses as much as digits as its factorization.

433442706213421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 46.

The spelling of 433442706213421 in words is "four hundred thirty-three trillion, four hundred forty-two billion, seven hundred six million, two hundred thirteen thousand, four hundred twenty-one".