83830013986591 has 2 divisors, whose sum is σ = 83830013986592. Its totient is φ = 83830013986590.

The previous prime is 83830013986583. The next prime is 83830013986711. The reversal of 83830013986591 is 19568931003838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83830013986591 - 2³ = 83830013986583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83830013986501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41915006993295 + 41915006993296.

It is an arithmetic number, because the mean of its divisors is an integer number (41915006993296).

Almost surely, 2^{83830013986591} is an apocalyptic number.

83830013986591 is a deficient number, since it is larger than the sum of its proper divisors (1).

83830013986591 is an equidigital number, since it uses as much as digits as its factorization.

83830013986591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 83830013986591 in words is "eighty-three trillion, eight hundred thirty billion, thirteen million, nine hundred eighty-six thousand, five hundred ninety-one".