6429019 has 2 divisors, whose sum is σ = 6429020. Its totient is φ = 6429018.

The previous prime is 6428987. The next prime is 6429047. The reversal of 6429019 is 9109246.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6429019 - 2⁵ = 6428987 is a prime.

It is a super-2 number, since 2×6429019² = 82664570604722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6429089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214509 + 3214510.

It is an arithmetic number, because the mean of its divisors is an integer number (3214510).

Almost surely, 2^6429019 is an apocalyptic number.

6429019 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429019 is an equidigital number, since it uses as much as digits as its factorization.

6429019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 6429019 is about 2535.5510249254. The cubic root of 6429019 is about 185.9437433443.

It can be divided in two parts, 6 and 429019, that added together give a square (429025 = 655²).

The spelling of 6429019 in words is "six million, four hundred twenty-nine thousand, nineteen".