518189963 has 2 divisors, whose sum is σ = 518189964. Its totient is φ = 518189962.

The previous prime is 518189953. The next prime is 518189981. The reversal of 518189963 is 369981815.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518189963 - 2¹² = 518185867 is a prime.

It is not a weakly prime, because it can be changed into another prime (518189953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259094981 + 259094982.

It is an arithmetic number, because the mean of its divisors is an integer number (259094982).

Almost surely, 2^518189963 is an apocalyptic number.

518189963 is a deficient number, since it is larger than the sum of its proper divisors (1).

518189963 is an equidigital number, since it uses as much as digits as its factorization.

518189963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 50.

The square root of 518189963 is about 22763.7862184655. The cubic root of 518189963 is about 803.2110333993.

The spelling of 518189963 in words is "five hundred eighteen million, one hundred eighty-nine thousand, nine hundred sixty-three".