2086517901059 has 2 divisors, whose sum is σ = 2086517901060. Its totient is φ = 2086517901058.

The previous prime is 2086517900981. The next prime is 2086517901101. The reversal of 2086517901059 is 9501097156802.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2086517901059 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2086517901059.

It is not a weakly prime, because it can be changed into another prime (2086517903059) 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, 1043258950529 + 1043258950530.

It is an arithmetic number, because the mean of its divisors is an integer number (1043258950530).

Almost surely, 2^{2086517901059} is an apocalyptic number.

2086517901059 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086517901059 is an equidigital number, since it uses as much as digits as its factorization.

2086517901059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 2086517901059 in words is "two trillion, eighty-six billion, five hundred seventeen million, nine hundred one thousand, fifty-nine".