429630709 has 2 divisors, whose sum is σ = 429630710. Its totient is φ = 429630708.

The previous prime is 429630689. The next prime is 429630739. The reversal of 429630709 is 907036924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230736100 + 198894609 = 15190^2 + 14103^2 .

It is a cyclic number.

It is not a de Polignac number, because 429630709 - 2¹³ = 429622517 is a prime.

It is a super-2 number, since 2×429630709² = 369165092231685362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429630739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214815354 + 214815355.

It is an arithmetic number, because the mean of its divisors is an integer number (214815355).

Almost surely, 2^429630709 is an apocalyptic number.

It is an amenable number.

429630709 is a deficient number, since it is larger than the sum of its proper divisors (1).

429630709 is an equidigital number, since it uses as much as digits as its factorization.

429630709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 429630709 is about 20727.5350439940. The cubic root of 429630709 is about 754.5680958817.

The spelling of 429630709 in words is "four hundred twenty-nine million, six hundred thirty thousand, seven hundred nine".