8627945652218 has 4 divisors (see below), whose sum is σ = 12941918478330. Its totient is φ = 4313972826108.

The previous prime is 8627945652149. The next prime is 8627945652239. The reversal of 8627945652218 is 8122565497268.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 7775191290409 + 852754361809 = 2788403^2 + 923447^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156986413053 + ... + 2156986413056.

Almost surely, 2^{8627945652218} is an apocalyptic number.

8627945652218 is a deficient number, since it is larger than the sum of its proper divisors (4313972826112).

8627945652218 is a wasteful number, since it uses less digits than its factorization.

8627945652218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313972826111.

The product of its digits is 116121600, while the sum is 65.

The spelling of 8627945652218 in words is "eight trillion, six hundred twenty-seven billion, nine hundred forty-five million, six hundred fifty-two thousand, two hundred eighteen".