218132963 has 2 divisors, whose sum is σ = 218132964. Its totient is φ = 218132962.

The previous prime is 218132951. The next prime is 218133029. The reversal of 218132963 is 369231812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218132963 - 2¹⁸ = 217870819 is a prime.

It is not a weakly prime, because it can be changed into another prime (218132923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109066481 + 109066482.

It is an arithmetic number, because the mean of its divisors is an integer number (109066482).

Almost surely, 2^218132963 is an apocalyptic number.

218132963 is a deficient number, since it is larger than the sum of its proper divisors (1).

218132963 is an equidigital number, since it uses as much as digits as its factorization.

218132963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 218132963 is about 14769.3250692102. The cubic root of 218132963 is about 601.9685003551.

The spelling of 218132963 in words is "two hundred eighteen million, one hundred thirty-two thousand, nine hundred sixty-three".