429509228873 has 4 divisors (see below), whose sum is σ = 429549641088. Its totient is φ = 429468816660.

The previous prime is 429509228861. The next prime is 429509228879. The reversal of 429509228873 is 378822905924.

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-429509228873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429509228879) 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 3 ways as a sum of consecutive naturals, for example, 20190161 + ... + 20211422.

It is an arithmetic number, because the mean of its divisors is an integer number (107387410272).

Almost surely, 2^429509228873 is an apocalyptic number.

It is an amenable number.

429509228873 is a deficient number, since it is larger than the sum of its proper divisors (40412215).

429509228873 is a wasteful number, since it uses less digits than its factorization.

429509228873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40412214.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 429509228873 in words is "four hundred twenty-nine billion, five hundred nine million, two hundred twenty-eight thousand, eight hundred seventy-three".