63085858369 has 2 divisors, whose sum is σ = 63085858370. Its totient is φ = 63085858368.

The previous prime is 63085858357. The next prime is 63085858379. The reversal of 63085858369 is 96385858036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35151750144 + 27934108225 = 187488^2 + 167135^2 .

It is a cyclic number.

It is not a de Polignac number, because 63085858369 - 2¹¹ = 63085856321 is a prime.

It is a super-2 number, since 2×63085858369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63085858379) 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, 31542929184 + 31542929185.

It is an arithmetic number, because the mean of its divisors is an integer number (31542929185).

Almost surely, 2^63085858369 is an apocalyptic number.

It is an amenable number.

63085858369 is a deficient number, since it is larger than the sum of its proper divisors (1).

63085858369 is an equidigital number, since it uses as much as digits as its factorization.

63085858369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 63085858369 in words is "sixty-three billion, eighty-five million, eight hundred fifty-eight thousand, three hundred sixty-nine".