8019479443 has 4 divisors (see below), whose sum is σ = 8019695880. Its totient is φ = 8019263008.

The previous prime is 8019479423. The next prime is 8019479453. The reversal of 8019479443 is 3449749108.

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 8019479443 - 2¹⁷ = 8019348371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8019479423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37030 + ... + 131947.

It is an arithmetic number, because the mean of its divisors is an integer number (2004923970).

Almost surely, 2^8019479443 is an apocalyptic number.

8019479443 is a deficient number, since it is larger than the sum of its proper divisors (216437).

8019479443 is a wasteful number, since it uses less digits than its factorization.

8019479443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216436.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 8019479443 is about 89551.5462903908. The cubic root of 8019479443 is about 2001.6219711658.

The spelling of 8019479443 in words is "eight billion, nineteen million, four hundred seventy-nine thousand, four hundred forty-three".