8146486493 has 16 divisors (see below), whose sum is σ = 8647125120. Its totient is φ = 7653237696.

The previous prime is 8146486489. The next prime is 8146486549. The reversal of 8146486493 is 3946846418.

It is not a de Polignac number, because 8146486493 - 2² = 8146486489 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 (8146486093) 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 15 ways as a sum of consecutive naturals, for example, 1659080 + ... + 1663982.

It is an arithmetic number, because the mean of its divisors is an integer number (540445320).

Almost surely, 2^8146486493 is an apocalyptic number.

It is an amenable number.

8146486493 is a deficient number, since it is larger than the sum of its proper divisors (500638627).

8146486493 is a wasteful number, since it uses less digits than its factorization.

8146486493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636.

The product of its digits is 3981312, while the sum is 53.

The square root of 8146486493 is about 90257.8888131115. Note that the first 4 decimals coincide. The cubic root of 8146486493 is about 2012.1334486047.

The spelling of 8146486493 in words is "eight billion, one hundred forty-six million, four hundred eighty-six thousand, four hundred ninety-three".