8199544929 has 4 divisors (see below), whose sum is σ = 10932726576. Its totient is φ = 5466363284.

The previous prime is 8199544897. The next prime is 8199544933. The reversal of 8199544929 is 9294459918.

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 8199544929 - 2⁵ = 8199544897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8199544939) 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, 1366590819 + ... + 1366590824.

It is an arithmetic number, because the mean of its divisors is an integer number (2733181644).

Almost surely, 2^8199544929 is an apocalyptic number.

It is an amenable number.

8199544929 is a deficient number, since it is larger than the sum of its proper divisors (2733181647).

8199544929 is a wasteful number, since it uses less digits than its factorization.

8199544929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733181646.

The product of its digits is 8398080, while the sum is 60.

The square root of 8199544929 is about 90551.3386372615. The cubic root of 8199544929 is about 2016.4923711062.

The spelling of 8199544929 in words is "eight billion, one hundred ninety-nine million, five hundred forty-four thousand, nine hundred twenty-nine".