4221432073 has 2 divisors, whose sum is σ = 4221432074. Its totient is φ = 4221432072.

The previous prime is 4221432013. The next prime is 4221432107. The reversal of 4221432073 is 3702341224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4221360784 + 71289 = 64972^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221432073 - 2²⁹ = 3684561161 is a prime.

It is not a weakly prime, because it can be changed into another prime (4221432013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110716036 + 2110716037.

It is an arithmetic number, because the mean of its divisors is an integer number (2110716037).

Almost surely, 2^4221432073 is an apocalyptic number.

It is an amenable number.

4221432073 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221432073 is an equidigital number, since it uses as much as digits as its factorization.

4221432073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 4221432073 is about 64972.5486109326. The cubic root of 4221432073 is about 1616.1683657914.

Adding to 4221432073 its reverse (3702341224), we get a palindrome (7923773297).

The spelling of 4221432073 in words is "four billion, two hundred twenty-one million, four hundred thirty-two thousand, seventy-three".