8091863699 has 2 divisors, whose sum is σ = 8091863700. Its totient is φ = 8091863698.

The previous prime is 8091863693. The next prime is 8091863719. The reversal of 8091863699 is 9963681908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8091863699 - 2¹² = 8091859603 is a prime.

It is not a weakly prime, because it can be changed into another prime (8091863693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045931849 + 4045931850.

It is an arithmetic number, because the mean of its divisors is an integer number (4045931850).

Almost surely, 2^8091863699 is an apocalyptic number.

8091863699 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091863699 is an equidigital number, since it uses as much as digits as its factorization.

8091863699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 8091863699 is about 89954.7869710112. The cubic root of 8091863699 is about 2007.6261918878.

The spelling of 8091863699 in words is "eight billion, ninety-one million, eight hundred sixty-three thousand, six hundred ninety-nine".