6430429 has 2 divisors, whose sum is σ = 6430430. Its totient is φ = 6430428.

The previous prime is 6430427. The next prime is 6430433. The reversal of 6430429 is 9240346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4995225 + 1435204 = 2235^2 + 1198^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430429 - 2¹ = 6430427 is a prime.

Together with 6430427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6430397 and 6430406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6430427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215214 + 3215215.

It is an arithmetic number, because the mean of its divisors is an integer number (3215215).

Almost surely, 2^6430429 is an apocalyptic number.

It is an amenable number.

6430429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430429 is an equidigital number, since it uses as much as digits as its factorization.

6430429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6430429 is about 2535.8290557528. The cubic root of 6430429 is about 185.9573359579.

It can be divided in two parts, 6430 and 429, that added together give a cube (6859 = 19³).

The spelling of 6430429 in words is "six million, four hundred thirty thousand, four hundred twenty-nine".