243020417063 has 2 divisors, whose sum is σ = 243020417064. Its totient is φ = 243020417062.

The previous prime is 243020417051. The next prime is 243020417071. The reversal of 243020417063 is 360714020342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243020417063 - 2¹⁰ = 243020416039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243050417063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121510208531 + 121510208532.

It is an arithmetic number, because the mean of its divisors is an integer number (121510208532).

Almost surely, 2^243020417063 is an apocalyptic number.

243020417063 is a deficient number, since it is larger than the sum of its proper divisors (1).

243020417063 is an equidigital number, since it uses as much as digits as its factorization.

243020417063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 243020417063 in words is "two hundred forty-three billion, twenty million, four hundred seventeen thousand, sixty-three".