6713665481 has 2 divisors, whose sum is σ = 6713665482. Its totient is φ = 6713665480.

The previous prime is 6713665463. The next prime is 6713665487. The reversal of 6713665481 is 1845663176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5273083456 + 1440582025 = 72616^2 + 37955^2 .

It is a cyclic number.

It is not a de Polignac number, because 6713665481 - 2¹⁴ = 6713649097 is a prime.

It is a super-2 number, since 2×6713665481² = 90146608381541922722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6713665487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3356832740 + 3356832741.

It is an arithmetic number, because the mean of its divisors is an integer number (3356832741).

Almost surely, 2^6713665481 is an apocalyptic number.

It is an amenable number.

6713665481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6713665481 is an equidigital number, since it uses as much as digits as its factorization.

6713665481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 6713665481 is about 81936.9604085970. The cubic root of 6713665481 is about 1886.4844628192.

The spelling of 6713665481 in words is "six billion, seven hundred thirteen million, six hundred sixty-five thousand, four hundred eighty-one".