429440317 has 2 divisors, whose sum is σ = 429440318. Its totient is φ = 429440316.

The previous prime is 429440293. The next prime is 429440329. The reversal of 429440317 is 713044924.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259242201 + 170198116 = 16101^2 + 13046^2 .

It is a cyclic number.

It is not a de Polignac number, because 429440317 - 2¹⁵ = 429407549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429440357) 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, 214720158 + 214720159.

It is an arithmetic number, because the mean of its divisors is an integer number (214720159).

Almost surely, 2^429440317 is an apocalyptic number.

It is an amenable number.

429440317 is a deficient number, since it is larger than the sum of its proper divisors (1).

429440317 is an equidigital number, since it uses as much as digits as its factorization.

429440317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 429440317 is about 20722.9418037112. The cubic root of 429440317 is about 754.4566164546.

The spelling of 429440317 in words is "four hundred twenty-nine million, four hundred forty thousand, three hundred seventeen".