3612330643 has 4 divisors (see below), whose sum is σ = 3612886128. Its totient is φ = 3611775160.

The previous prime is 3612330611. The next prime is 3612330671. The reversal of 3612330643 is 3460332163.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3612330643 - 2⁵ = 3612330611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3612336643) 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 3 ways as a sum of consecutive naturals, for example, 267871 + ... + 281032.

It is an arithmetic number, because the mean of its divisors is an integer number (903221532).

Almost surely, 2^3612330643 is an apocalyptic number.

3612330643 is a deficient number, since it is larger than the sum of its proper divisors (555485).

3612330643 is an equidigital number, since it uses as much as digits as its factorization.

3612330643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555484.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 3612330643 is about 60102.6675198364. The cubic root of 3612330643 is about 1534.3667018702.

It can be divided in two parts, 36123 and 30643, that added together give a palindrome (66766).

The spelling of 3612330643 in words is "three billion, six hundred twelve million, three hundred thirty thousand, six hundred forty-three".