6866524013 has 2 divisors, whose sum is σ = 6866524014. Its totient is φ = 6866524012.

The previous prime is 6866524001. The next prime is 6866524033. The reversal of 6866524013 is 3104256686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6406721764 + 459802249 = 80042^2 + 21443^2 .

It is a cyclic number.

It is not a de Polignac number, because 6866524013 - 2⁶ = 6866523949 is a prime.

It is a super-2 number, since 2×6866524013² = 94298304042211248338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6866524033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433262006 + 3433262007.

It is an arithmetic number, because the mean of its divisors is an integer number (3433262007).

Almost surely, 2^6866524013 is an apocalyptic number.

It is an amenable number.

6866524013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866524013 is an equidigital number, since it uses as much as digits as its factorization.

6866524013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 6866524013 is about 82864.4918707645. The cubic root of 6866524013 is about 1900.6944841651.

The spelling of 6866524013 in words is "six billion, eight hundred sixty-six million, five hundred twenty-four thousand, thirteen".