6493864018 has 16 divisors (see below), whose sum is σ = 9771929280. Its totient is φ = 3236571216.

The previous prime is 6493863997. The next prime is 6493864019. The reversal of 6493864018 is 8104683946.

It is not an unprimeable number, because it can be changed into a prime (6493864019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913803 + ... + 920881.

It is an arithmetic number, because the mean of its divisors is an integer number (610745580).

Almost surely, 2^6493864018 is an apocalyptic number.

6493864018 is a deficient number, since it is larger than the sum of its proper divisors (3278065262).

6493864018 is a wasteful number, since it uses less digits than its factorization.

6493864018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8481.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 6493864018 is about 80584.5147531460. The cubic root of 6493864018 is about 1865.6681468259.

The spelling of 6493864018 in words is "six billion, four hundred ninety-three million, eight hundred sixty-four thousand, eighteen".