33612852645 has 12 divisors (see below), whose sum is σ = 58262277996. Its totient is φ = 17926854720.

The previous prime is 33612852641. The next prime is 33612852667. The reversal of 33612852645 is 54625821633.

33612852645 is a `hidden beast` number, since 3 + 3 + 61 + 28 + 526 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3397374369 + 30215478276 = 58287^2 + 173826^2 .

It is not a de Polignac number, because 33612852645 - 2² = 33612852641 is a prime.

It is a super-2 number, since 2×33612852645² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 746952281 = 33612852645 / (3 + 3 + 6 + 1 + 2 + 8 + 5 + 2 + 6 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 33612852645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33612852641) 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 11 ways as a sum of consecutive naturals, for example, 373476096 + ... + 373476185.

It is an arithmetic number, because the mean of its divisors is an integer number (4855189833).

Almost surely, 2^33612852645 is an apocalyptic number.

It is an amenable number.

33612852645 is a deficient number, since it is larger than the sum of its proper divisors (24649425351).

33612852645 is a wasteful number, since it uses less digits than its factorization.

33612852645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746952292 (or 746952289 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 33612852645 in words is "thirty-three billion, six hundred twelve million, eight hundred fifty-two thousand, six hundred forty-five".