8113440319 has 4 divisors (see below), whose sum is σ = 8211192696. Its totient is φ = 8015687944.

The previous prime is 8113440317. The next prime is 8113440323. The reversal of 8113440319 is 9130443118.

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 8113440319 - 2¹ = 8113440317 is a prime.

It is a super-2 number, since 2×8113440319² (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 (8113440317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48876064 + ... + 48876229.

It is an arithmetic number, because the mean of its divisors is an integer number (2052798174).

Almost surely, 2^8113440319 is an apocalyptic number.

8113440319 is a deficient number, since it is larger than the sum of its proper divisors (97752377).

8113440319 is an equidigital number, since it uses as much as digits as its factorization.

8113440319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97752376.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8113440319 is about 90074.6374902503. The cubic root of 8113440319 is about 2009.4090256202.

The spelling of 8113440319 in words is "eight billion, one hundred thirteen million, four hundred forty thousand, three hundred nineteen".