8429360639 has 4 divisors (see below), whose sum is σ = 9633555024. Its totient is φ = 7225166256.

The previous prime is 8429360623. The next prime is 8429360677. The reversal of 8429360639 is 9360639248.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8429360639 - 2⁴ = 8429360623 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 (8429360539) 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, 602097182 + ... + 602097195.

It is an arithmetic number, because the mean of its divisors is an integer number (2408388756).

Almost surely, 2^8429360639 is an apocalyptic number.

8429360639 is a deficient number, since it is larger than the sum of its proper divisors (1204194385).

8429360639 is a wasteful number, since it uses less digits than its factorization.

8429360639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204194384.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 8429360639 is about 91811.5495948086. The cubic root of 8429360639 is about 2035.1583759125.

The spelling of 8429360639 in words is "eight billion, four hundred twenty-nine million, three hundred sixty thousand, six hundred thirty-nine".