429496729 has 4 divisors (see below), whose sum is σ = 452101840. Its totient is φ = 406891620.

The previous prime is 429496709. The next prime is 429496751. The reversal of 429496729 is 927694924.

It is a happy number.

429496729 is nontrivially palindromic in base 4.

429496729 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429496729 is a prime.

It is a Duffinian number.

429496729 is an undulating number in base 4.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (429496709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11302527 + ... + 11302564.

It is an arithmetic number, because the mean of its divisors is an integer number (113025460).

Almost surely, 2^429496729 is an apocalyptic number.

It is an amenable number.

429496729 is a deficient number, since it is larger than the sum of its proper divisors (22605111).

429496729 is a wasteful number, since it uses less digits than its factorization.

429496729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22605110.

The product of its digits is 1959552, while the sum is 52.

The square root of 429496729 is about 20724.3028592037. The cubic root of 429496729 is about 754.4896505702.

The spelling of 429496729 in words is "four hundred twenty-nine million, four hundred ninety-six thousand, seven hundred twenty-nine".