8646213703845 has 8 divisors (see below), whose sum is σ = 13833941926176. Its totient is φ = 4611313975376.

The previous prime is 8646213703789. The next prime is 8646213703877. The reversal of 8646213703845 is 5483073126468.

It is a happy number.

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 8646213703845 - 2¹⁹ = 8646213179557 is a prime.

It is a super-2 number, since 2×8646213703845² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288207123447 + ... + 288207123476.

It is an arithmetic number, because the mean of its divisors is an integer number (1729242740772).

Almost surely, 2^{8646213703845} is an apocalyptic number.

It is an amenable number.

8646213703845 is a deficient number, since it is larger than the sum of its proper divisors (5187728222331).

8646213703845 is a wasteful number, since it uses less digits than its factorization.

8646213703845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576414246931.

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 8646213703845 in words is "eight trillion, six hundred forty-six billion, two hundred thirteen million, seven hundred three thousand, eight hundred forty-five".