6429799 has 2 divisors, whose sum is σ = 6429800. Its totient is φ = 6429798.

The previous prime is 6429779. The next prime is 6429869. The reversal of 6429799 is 9979246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6429799 - 2⁷ = 6429671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6429739) 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, 3214899 + 3214900.

It is an arithmetic number, because the mean of its divisors is an integer number (3214900).

Almost surely, 2^6429799 is an apocalyptic number.

6429799 is a deficient number, since it is larger than the sum of its proper divisors (1).

6429799 is an equidigital number, since it uses as much as digits as its factorization.

6429799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 6429799 is about 2535.7048329804. The cubic root of 6429799 is about 185.9512629080.

The spelling of 6429799 in words is "six million, four hundred twenty-nine thousand, seven hundred ninety-nine".