432430221217 has 2 divisors, whose sum is σ = 432430221218. Its totient is φ = 432430221216.

The previous prime is 432430221199. The next prime is 432430221227. The reversal of 432430221217 is 712122034234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365878604641 + 66551616576 = 604879^2 + 257976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432430221217 is a prime.

It is a super-2 number, since 2×432430221217² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (432430221227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216215110608 + 216215110609.

It is an arithmetic number, because the mean of its divisors is an integer number (216215110609).

Almost surely, 2^432430221217 is an apocalyptic number.

It is an amenable number.

432430221217 is a deficient number, since it is larger than the sum of its proper divisors (1).

432430221217 is an equidigital number, since it uses as much as digits as its factorization.

432430221217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 432430221217 in words is "four hundred thirty-two billion, four hundred thirty million, two hundred twenty-one thousand, two hundred seventeen".