6815144793 has 8 divisors (see below), whose sum is σ = 9222484768. Its totient is φ = 4475617344.

The previous prime is 6815144767. The next prime is 6815144801. The reversal of 6815144793 is 3974415186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6815144793 - 2⁸ = 6815144537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6815144753) 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 7 ways as a sum of consecutive naturals, for example, 16952896 + ... + 16953297.

It is an arithmetic number, because the mean of its divisors is an integer number (1152810596).

Almost surely, 2^6815144793 is an apocalyptic number.

It is an amenable number.

6815144793 is a deficient number, since it is larger than the sum of its proper divisors (2407339975).

6815144793 is a wasteful number, since it uses less digits than its factorization.

6815144793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33906263.

The product of its digits is 725760, while the sum is 48.

The square root of 6815144793 is about 82553.8902354093. The cubic root of 6815144793 is about 1895.9419198658.

The spelling of 6815144793 in words is "six billion, eight hundred fifteen million, one hundred forty-four thousand, seven hundred ninety-three".