218607983963 has 2 divisors, whose sum is σ = 218607983964. Its totient is φ = 218607983962.

The previous prime is 218607983911. The next prime is 218607984079. The reversal of 218607983963 is 369389706812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218607983963 - 2¹⁰ = 218607982939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218607983896 and 218607983905.

It is not a weakly prime, because it can be changed into another prime (218607983903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109303991981 + 109303991982.

It is an arithmetic number, because the mean of its divisors is an integer number (109303991982).

Almost surely, 2^218607983963 is an apocalyptic number.

218607983963 is a deficient number, since it is larger than the sum of its proper divisors (1).

218607983963 is an equidigital number, since it uses as much as digits as its factorization.

218607983963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 218607983963 in words is "two hundred eighteen billion, six hundred seven million, nine hundred eighty-three thousand, nine hundred sixty-three".