8473318493 has 8 divisors (see below), whose sum is σ = 8519991480. Its totient is φ = 8426682880.

The previous prime is 8473318481. The next prime is 8473318541. The reversal of 8473318493 is 3948133748.

It can be written as a sum of positive squares in 4 ways, for example, as 6586458649 + 1886859844 = 81157^2 + 43438^2 .

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

It is not a de Polignac number, because 8473318493 - 2¹⁴ = 8473302109 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 (8473318463) 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 7 ways as a sum of consecutive naturals, for example, 529733 + ... + 545493.

It is an arithmetic number, because the mean of its divisors is an integer number (1064998935).

Almost surely, 2^8473318493 is an apocalyptic number.

It is an amenable number.

8473318493 is a deficient number, since it is larger than the sum of its proper divisors (46672987).

8473318493 is a wasteful number, since it uses less digits than its factorization.

8473318493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18687.

The product of its digits is 1741824, while the sum is 50.

The square root of 8473318493 is about 92050.6300521621. The cubic root of 8473318493 is about 2038.6899262731.

The spelling of 8473318493 in words is "eight billion, four hundred seventy-three million, three hundred eighteen thousand, four hundred ninety-three".