429431684429 has 4 divisors (see below), whose sum is σ = 468470928480. Its totient is φ = 390392440380.

The previous prime is 429431684413. The next prime is 429431684431. The reversal of 429431684429 is 924486134924.

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 not a de Polignac number, because 429431684429 - 2⁴ = 429431684413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429431884429) 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, 19519622009 + ... + 19519622030.

It is an arithmetic number, because the mean of its divisors is an integer number (117117732120).

Almost surely, 2^429431684429 is an apocalyptic number.

It is an amenable number.

429431684429 is a deficient number, since it is larger than the sum of its proper divisors (39039244051).

429431684429 is a wasteful number, since it uses less digits than its factorization.

429431684429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39039244050.

The product of its digits is 11943936, while the sum is 56.

The spelling of 429431684429 in words is "four hundred twenty-nine billion, four hundred thirty-one million, six hundred eighty-four thousand, four hundred twenty-nine".