8091085447413 has 48 divisors (see below), whose sum is σ = 12388267200816. Its totient is φ = 5071156346880.

The previous prime is 8091085447399. The next prime is 8091085447433. The reversal of 8091085447413 is 3147445801908.

8091085447413 is a `hidden beast` number, since 8 + 0 + 9 + 10 + 8 + 544 + 74 + 13 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 451378391409 + 7639707056004 = 671847^2 + 2764002^2 .

It is not a de Polignac number, because 8091085447413 - 2⁵ = 8091085447381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8091085447413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8091085447433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593485845 + ... + 593499477.

It is an arithmetic number, because the mean of its divisors is an integer number (258088900017).

Almost surely, 2^{8091085447413} is an apocalyptic number.

It is an amenable number.

8091085447413 is a deficient number, since it is larger than the sum of its proper divisors (4297181753403).

8091085447413 is a wasteful number, since it uses less digits than its factorization.

8091085447413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17654 (or 17651 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 8091085447413 in words is "eight trillion, ninety-one billion, eighty-five million, four hundred forty-seven thousand, four hundred thirteen".