424430032217 has 2 divisors, whose sum is σ = 424430032218. Its totient is φ = 424430032216.

The previous prime is 424430032127. The next prime is 424430032223. The reversal of 424430032217 is 712230034424.

Together with previous prime (424430032127) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378939967561 + 45490064656 = 615581^2 + 213284^2 .

It is a cyclic number.

It is not a de Polignac number, because 424430032217 - 2²⁴ = 424413255001 is a prime.

It is not a weakly prime, because it can be changed into another prime (424430032277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212215016108 + 212215016109.

It is an arithmetic number, because the mean of its divisors is an integer number (212215016109).

Almost surely, 2^424430032217 is an apocalyptic number.

It is an amenable number.

424430032217 is a deficient number, since it is larger than the sum of its proper divisors (1).

424430032217 is an equidigital number, since it uses as much as digits as its factorization.

424430032217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The spelling of 424430032217 in words is "four hundred twenty-four billion, four hundred thirty million, thirty-two thousand, two hundred seventeen".