8629085429 has 4 divisors (see below), whose sum is σ = 9083247840. Its totient is φ = 8174923020.

The previous prime is 8629085407. The next prime is 8629085447. The reversal of 8629085429 is 9245809268.

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 8629085429 - 2²⁰ = 8628036853 is a prime.

It is a super-2 number, since 2×8629085429² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8629015429) 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, 227081177 + ... + 227081214.

It is an arithmetic number, because the mean of its divisors is an integer number (2270811960).

Almost surely, 2^8629085429 is an apocalyptic number.

It is an amenable number.

8629085429 is a deficient number, since it is larger than the sum of its proper divisors (454162411).

8629085429 is a wasteful number, since it uses less digits than its factorization.

8629085429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454162410.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 8629085429 is about 92892.8707113738. The cubic root of 8629085429 is about 2051.1067138631.

The spelling of 8629085429 in words is "eight billion, six hundred twenty-nine million, eighty-five thousand, four hundred twenty-nine".