8429323321 has 4 divisors (see below), whose sum is σ = 8438827392. Its totient is φ = 8419819252.

The previous prime is 8429323303. The next prime is 8429323339. The reversal of 8429323321 is 1233239248.

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 an interprime number because it is at equal distance from previous prime (8429323303) and next prime (8429323339).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8429323321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8429323921) 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, 4750705 + ... + 4752478.

It is an arithmetic number, because the mean of its divisors is an integer number (2109706848).

Almost surely, 2^8429323321 is an apocalyptic number.

It is an amenable number.

8429323321 is a deficient number, since it is larger than the sum of its proper divisors (9504071).

8429323321 is an equidigital number, since it uses as much as digits as its factorization.

8429323321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504070.

The product of its digits is 62208, while the sum is 37.

The square root of 8429323321 is about 91811.3463630721. The cubic root of 8429323321 is about 2035.1553725945.

The spelling of 8429323321 in words is "eight billion, four hundred twenty-nine million, three hundred twenty-three thousand, three hundred twenty-one".