8349043279 has 4 divisors (see below), whose sum is σ = 8366921784. Its totient is φ = 8331164776.

The previous prime is 8349043259. The next prime is 8349043337. The reversal of 8349043279 is 9723409438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8349043279 - 2¹⁹ = 8348518991 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 (8349043249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8938552 + ... + 8939485.

It is an arithmetic number, because the mean of its divisors is an integer number (2091730446).

Almost surely, 2^8349043279 is an apocalyptic number.

8349043279 is a deficient number, since it is larger than the sum of its proper divisors (17878505).

8349043279 is a wasteful number, since it uses less digits than its factorization.

8349043279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17878504.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 8349043279 is about 91373.0993181254. The cubic root of 8349043279 is about 2028.6738796126.

The spelling of 8349043279 in words is "eight billion, three hundred forty-nine million, forty-three thousand, two hundred seventy-nine".