85813812453633 has 32 divisors (see below), whose sum is σ = 132704542909440. Its totient is φ = 48808512392640.

The previous prime is 85813812453563. The next prime is 85813812453637. The reversal of 85813812453633 is 33635421831858.

It is not a de Polignac number, because 85813812453633 - 2²⁵ = 85813778899201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85813812453637) 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 in 31 ways as a sum of consecutive naturals, for example, 1066579363 + ... + 1066659816.

It is an arithmetic number, because the mean of its divisors is an integer number (4147016965920).

Almost surely, 2^{85813812453633} is an apocalyptic number.

It is an amenable number.

85813812453633 is a deficient number, since it is larger than the sum of its proper divisors (46890730455807).

85813812453633 is a wasteful number, since it uses less digits than its factorization.

85813812453633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133239269.

The product of its digits is 49766400, while the sum is 60.

The spelling of 85813812453633 in words is "eighty-five trillion, eight hundred thirteen billion, eight hundred twelve million, four hundred fifty-three thousand, six hundred thirty-three".