4255830317989 has 2 divisors, whose sum is σ = 4255830317990. Its totient is φ = 4255830317988.

The previous prime is 4255830317969. The next prime is 4255830318007. The reversal of 4255830317989 is 9897130385524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3720616632100 + 535213685889 = 1928890^2 + 731583^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255830317989 - 2⁹ = 4255830317477 is a prime.

It is a super-2 number, since 2×4255830317989² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4255830317989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255830317969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127915158994 + 2127915158995.

It is an arithmetic number, because the mean of its divisors is an integer number (2127915158995).

Almost surely, 2^{4255830317989} is an apocalyptic number.

It is an amenable number.

4255830317989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255830317989 is an equidigital number, since it uses as much as digits as its factorization.

4255830317989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 4255830317989 in words is "four trillion, two hundred fifty-five billion, eight hundred thirty million, three hundred seventeen thousand, nine hundred eighty-nine".