8182645371819 has 8 divisors (see below), whose sum is σ = 12122437587920. Its totient is φ = 5455096914528.

The previous prime is 8182645371779. The next prime is 8182645371821. The reversal of 8182645371819 is 9181735462818.

8182645371819 is a `hidden beast` number, since 8 + 1 + 82 + 6 + 4 + 537 + 1 + 8 + 19 = 666.

It is not a de Polignac number, because 8182645371819 - 2¹¹ = 8182645369771 is a prime.

It is a super-2 number, since 2×8182645371819² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8182645371839) 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, 151530469822 + ... + 151530469875.

It is an arithmetic number, because the mean of its divisors is an integer number (1515304698490).

Almost surely, 2^{8182645371819} is an apocalyptic number.

8182645371819 is a deficient number, since it is larger than the sum of its proper divisors (3939792216101).

8182645371819 is a wasteful number, since it uses less digits than its factorization.

8182645371819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303060939706 (or 303060939700 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

Subtracting 8182645371819 from its reverse (9181735462818), we obtain a palindrome (999090090999).

The spelling of 8182645371819 in words is "eight trillion, one hundred eighty-two billion, six hundred forty-five million, three hundred seventy-one thousand, eight hundred nineteen".