8681534699 has 2 divisors, whose sum is σ = 8681534700. Its totient is φ = 8681534698.

The previous prime is 8681534681. The next prime is 8681534711. The reversal of 8681534699 is 9964351868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8681534699 - 2²⁴ = 8664757483 is a prime.

It is not a weakly prime, because it can be changed into another prime (8681534669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340767349 + 4340767350.

It is an arithmetic number, because the mean of its divisors is an integer number (4340767350).

Almost surely, 2^8681534699 is an apocalyptic number.

8681534699 is a deficient number, since it is larger than the sum of its proper divisors (1).

8681534699 is an equidigital number, since it uses as much as digits as its factorization.

8681534699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 59.

The square root of 8681534699 is about 93174.7535494460. The cubic root of 8681534699 is about 2055.2539985158.

The spelling of 8681534699 in words is "eight billion, six hundred eighty-one million, five hundred thirty-four thousand, six hundred ninety-nine".