6713411581 has 4 divisors (see below), whose sum is σ = 6723885564. Its totient is φ = 6702937600.

The previous prime is 6713411563. The next prime is 6713411587. The reversal of 6713411581 is 1851143176.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5768402500 + 945009081 = 75950^2 + 30741^2 .

It is a cyclic number.

It is not a de Polignac number, because 6713411581 - 2²⁷ = 6579193853 is a prime.

It is a super-2 number, since 2×6713411581² = 90139790111809839122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6713411581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6713411587) 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 3 ways as a sum of consecutive naturals, for example, 5236030 + ... + 5237311.

It is an arithmetic number, because the mean of its divisors is an integer number (1680971391).

Almost surely, 2^6713411581 is an apocalyptic number.

It is an amenable number.

6713411581 is a deficient number, since it is larger than the sum of its proper divisors (10473983).

6713411581 is a wasteful number, since it uses less digits than its factorization.

6713411581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473982.

The product of its digits is 20160, while the sum is 37.

The square root of 6713411581 is about 81935.4110321050. The cubic root of 6713411581 is about 1886.4606812528.

The spelling of 6713411581 in words is "six billion, seven hundred thirteen million, four hundred eleven thousand, five hundred eighty-one".