8742218653 has 8 divisors (see below), whose sum is σ = 10041315200. Its totient is φ = 7455674160.

The previous prime is 8742218651. The next prime is 8742218659. The reversal of 8742218653 is 3568122478.

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 8742218653 - 2¹ = 8742218651 is a prime.

It is a super-2 number, since 2×8742218653² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742218651) 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, 3136518 + ... + 3139303.

It is an arithmetic number, because the mean of its divisors is an integer number (1255164400).

Almost surely, 2^8742218653 is an apocalyptic number.

It is an amenable number.

8742218653 is a deficient number, since it is larger than the sum of its proper divisors (1299096547).

8742218653 is a wasteful number, since it uses less digits than its factorization.

8742218653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276027.

The product of its digits is 645120, while the sum is 46.

The square root of 8742218653 is about 93499.8323688337. The cubic root of 8742218653 is about 2060.0316277703.

The spelling of 8742218653 in words is "eight billion, seven hundred forty-two million, two hundred eighteen thousand, six hundred fifty-three".