33873085663 has 4 divisors (see below), whose sum is σ = 34131658968. Its totient is φ = 33614512360.

The previous prime is 33873085657. The next prime is 33873085669. The reversal of 33873085663 is 36658037833.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (33873085657) and next prime (33873085669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33873085663 is a prime.

It is a super-2 number, since 2×33873085663² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33873085663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33873085669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129286456 + ... + 129286717.

It is an arithmetic number, because the mean of its divisors is an integer number (8532914742).

Almost surely, 2^33873085663 is an apocalyptic number.

33873085663 is a deficient number, since it is larger than the sum of its proper divisors (258573305).

33873085663 is a wasteful number, since it uses less digits than its factorization.

33873085663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258573304.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 33873085663 in words is "thirty-three billion, eight hundred seventy-three million, eighty-five thousand, six hundred sixty-three".