85033330653 has 4 divisors (see below), whose sum is σ = 113377774208. Its totient is φ = 56688887100.

The previous prime is 85033330649. The next prime is 85033330673. The reversal of 85033330653 is 35603333058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85033330653 - 2² = 85033330649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85033330673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14172221773 + ... + 14172221778.

It is an arithmetic number, because the mean of its divisors is an integer number (28344443552).

Almost surely, 2^85033330653 is an apocalyptic number.

It is an amenable number.

85033330653 is a deficient number, since it is larger than the sum of its proper divisors (28344443555).

85033330653 is a wasteful number, since it uses less digits than its factorization.

85033330653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28344443554.

The product of its (nonzero) digits is 291600, while the sum is 39.

The spelling of 85033330653 in words is "eighty-five billion, thirty-three million, three hundred thirty thousand, six hundred fifty-three".