86573493653 has 2 divisors, whose sum is σ = 86573493654. Its totient is φ = 86573493652.

The previous prime is 86573493647. The next prime is 86573493683. The reversal of 86573493653 is 35639437568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56845526929 + 29727966724 = 238423^2 + 172418^2 .

It is a cyclic number.

It is not a de Polignac number, because 86573493653 - 2²⁴ = 86556716437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86573493592 and 86573493601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86573493683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43286746826 + 43286746827.

It is an arithmetic number, because the mean of its divisors is an integer number (43286746827).

Almost surely, 2^86573493653 is an apocalyptic number.

It is an amenable number.

86573493653 is a deficient number, since it is larger than the sum of its proper divisors (1).

86573493653 is an equidigital number, since it uses as much as digits as its factorization.

86573493653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 59.

The spelling of 86573493653 in words is "eighty-six billion, five hundred seventy-three million, four hundred ninety-three thousand, six hundred fifty-three".