8612218619 has 8 divisors (see below), whose sum is σ = 8698889472. Its totient is φ = 8525606760.

The previous prime is 8612218553. The next prime is 8612218631. The reversal of 8612218619 is 9168122168.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8612218619 is a prime.

It is a super-2 number, since 2×8612218619² (a number of 21 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 8612218619.

It is not an unprimeable number, because it can be changed into a prime (8612218639) 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, 315572 + ... + 341774.

It is an arithmetic number, because the mean of its divisors is an integer number (1087361184).

Almost surely, 2^8612218619 is an apocalyptic number.

8612218619 is a deficient number, since it is larger than the sum of its proper divisors (86670853).

8612218619 is a wasteful number, since it uses less digits than its factorization.

8612218619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29497.

The product of its digits is 82944, while the sum is 44.

The square root of 8612218619 is about 92802.0399506390. The cubic root of 8612218619 is about 2049.7694461319.

The spelling of 8612218619 in words is "eight billion, six hundred twelve million, two hundred eighteen thousand, six hundred nineteen".