8613644045 has 8 divisors (see below), whose sum is σ = 10337623296. Its totient is φ = 6890081616.

The previous prime is 8613644041. The next prime is 8613644059. The reversal of 8613644045 is 5404463168.

It is a happy number.

8613644045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8613644045 - 2² = 8613644041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8613643993 and 8613644011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8613644041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56777 + ... + 143006.

It is an arithmetic number, because the mean of its divisors is an integer number (1292202912).

Almost surely, 2^8613644045 is an apocalyptic number.

It is an amenable number.

8613644045 is a deficient number, since it is larger than the sum of its proper divisors (1723979251).

8613644045 is a wasteful number, since it uses less digits than its factorization.

8613644045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208411.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 8613644045 is about 92809.7195610460. The cubic root of 8613644045 is about 2049.8825270777.

The spelling of 8613644045 in words is "eight billion, six hundred thirteen million, six hundred forty-four thousand, forty-five".