43221102433 has 2 divisors, whose sum is σ = 43221102434. Its totient is φ = 43221102432.

The previous prime is 43221102347. The next prime is 43221102493. The reversal of 43221102433 is 33420112234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31298209569 + 11922892864 = 176913^2 + 109192^2 .

It is a cyclic number.

It is not a de Polignac number, because 43221102433 - 2⁹ = 43221101921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43221102398 and 43221102407.

It is not a weakly prime, because it can be changed into another prime (43221102493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21610551216 + 21610551217.

It is an arithmetic number, because the mean of its divisors is an integer number (21610551217).

Almost surely, 2^43221102433 is an apocalyptic number.

It is an amenable number.

43221102433 is a deficient number, since it is larger than the sum of its proper divisors (1).

43221102433 is an equidigital number, since it uses as much as digits as its factorization.

43221102433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43221102433 its reverse (33420112234), we get a palindrome (76641214667).

The spelling of 43221102433 in words is "forty-three billion, two hundred twenty-one million, one hundred two thousand, four hundred thirty-three".