4430230430981 has 2 divisors, whose sum is σ = 4430230430982. Its totient is φ = 4430230430980.

The previous prime is 4430230430929. The next prime is 4430230431019. The reversal of 4430230430981 is 1890340320344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3074323890625 + 1355906540356 = 1753375^2 + 1164434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4430230430981 is a prime.

It is a super-2 number, since 2×4430230430981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4430230430081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215115215490 + 2215115215491.

It is an arithmetic number, because the mean of its divisors is an integer number (2215115215491).

Almost surely, 2^{4430230430981} is an apocalyptic number.

It is an amenable number.

4430230430981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430230430981 is an equidigital number, since it uses as much as digits as its factorization.

4430230430981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 4430230430981 in words is "four trillion, four hundred thirty billion, two hundred thirty million, four hundred thirty thousand, nine hundred eighty-one".