243982463 has 2 divisors, whose sum is σ = 243982464. Its totient is φ = 243982462.

The previous prime is 243982429. The next prime is 243982469. The reversal of 243982463 is 364289342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243982463 - 2⁶ = 243982399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243982463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243982469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121991231 + 121991232.

It is an arithmetic number, because the mean of its divisors is an integer number (121991232).

Almost surely, 2^243982463 is an apocalyptic number.

243982463 is a deficient number, since it is larger than the sum of its proper divisors (1).

243982463 is an equidigital number, since it uses as much as digits as its factorization.

243982463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

The square root of 243982463 is about 15619.9379960357. The cubic root of 243982463 is about 624.8650059380.

The spelling of 243982463 in words is "two hundred forty-three million, nine hundred eighty-two thousand, four hundred sixty-three".