8135404663 has 2 divisors, whose sum is σ = 8135404664. Its totient is φ = 8135404662.

The previous prime is 8135404639. The next prime is 8135404687. The reversal of 8135404663 is 3664045318.

It is a balanced prime because it is at equal distance from previous prime (8135404639) and next prime (8135404687).

It is a cyclic number.

It is not a de Polignac number, because 8135404663 - 2¹⁷ = 8135273591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8135404063) 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, 4067702331 + 4067702332.

It is an arithmetic number, because the mean of its divisors is an integer number (4067702332).

Almost surely, 2^8135404663 is an apocalyptic number.

8135404663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135404663 is an equidigital number, since it uses as much as digits as its factorization.

8135404663 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 40.

The square root of 8135404663 is about 90196.4781075181. The cubic root of 8135404663 is about 2011.2206526673.

The spelling of 8135404663 in words is "eight billion, one hundred thirty-five million, four hundred four thousand, six hundred sixty-three".