258663338503 has 2 divisors, whose sum is σ = 258663338504. Its totient is φ = 258663338502.

The previous prime is 258663338477. The next prime is 258663338533. The reversal of 258663338503 is 305833366852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258663338503 - 2⁵ = 258663338471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258663338533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129331669251 + 129331669252.

It is an arithmetic number, because the mean of its divisors is an integer number (129331669252).

Almost surely, 2^258663338503 is an apocalyptic number.

258663338503 is a deficient number, since it is larger than the sum of its proper divisors (1).

258663338503 is an equidigital number, since it uses as much as digits as its factorization.

258663338503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 258663338503 in words is "two hundred fifty-eight billion, six hundred sixty-three million, three hundred thirty-eight thousand, five hundred three".