6430169 has 2 divisors, whose sum is σ = 6430170. Its totient is φ = 6430168.

The previous prime is 6430163. The next prime is 6430183. The reversal of 6430169 is 9610346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5583769 + 846400 = 2363^2 + 920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6430169 is a prime.

It is a super-2 number, since 2×6430169² = 82694146737122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6430163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215084 + 3215085.

It is an arithmetic number, because the mean of its divisors is an integer number (3215085).

Almost surely, 2^6430169 is an apocalyptic number.

It is an amenable number.

6430169 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430169 is an equidigital number, since it uses as much as digits as its factorization.

6430169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 6430169 is about 2535.7777899493. Note that the first 4 decimals coincide. The cubic root of 6430169 is about 185.9548296679.

The spelling of 6430169 in words is "six million, four hundred thirty thousand, one hundred sixty-nine".