429664959 has 16 divisors (see below), whose sum is σ = 636867840. Its totient is φ = 286296120.

The previous prime is 429664931. The next prime is 429664999. The reversal of 429664959 is 959466924.

It is a happy number.

It is not a de Polignac number, because 429664959 - 2⁵ = 429664927 is a prime.

It is a super-2 number, since 2×429664959² = 369223953984943362, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429664999) 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 in 15 ways as a sum of consecutive naturals, for example, 83664 + ... + 88650.

It is an arithmetic number, because the mean of its divisors is an integer number (39804240).

Almost surely, 2^429664959 is an apocalyptic number.

429664959 is a deficient number, since it is larger than the sum of its proper divisors (207202881).

429664959 is a wasteful number, since it uses less digits than its factorization.

429664959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187 (or 8181 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 429664959 is about 20728.3612232130. The cubic root of 429664959 is about 754.5881466446.

The spelling of 429664959 in words is "four hundred twenty-nine million, six hundred sixty-four thousand, nine hundred fifty-nine".