10433544221 has 2 divisors, whose sum is σ = 10433544222. Its totient is φ = 10433544220.

The previous prime is 10433544193. The next prime is 10433544227. The reversal of 10433544221 is 12244533401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8166736900 + 2266807321 = 90370^2 + 47611^2 .

It is an emirp because it is prime and its reverse (12244533401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10433544221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10433544227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5216772110 + 5216772111.

It is an arithmetic number, because the mean of its divisors is an integer number (5216772111).

Almost surely, 2^10433544221 is an apocalyptic number.

It is an amenable number.

10433544221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10433544221 is an equidigital number, since it uses as much as digits as its factorization.

10433544221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 10433544221 in words is "ten billion, four hundred thirty-three million, five hundred forty-four thousand, two hundred twenty-one".