68724366463 has 2 divisors, whose sum is σ = 68724366464. Its totient is φ = 68724366462.

The previous prime is 68724366443. The next prime is 68724366479. The reversal of 68724366463 is 36466342786.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68724366463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68724366443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34362183231 + 34362183232.

It is an arithmetic number, because the mean of its divisors is an integer number (34362183232).

Almost surely, 2^68724366463 is an apocalyptic number.

68724366463 is a deficient number, since it is larger than the sum of its proper divisors (1).

68724366463 is an equidigital number, since it uses as much as digits as its factorization.

68724366463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 55.

The spelling of 68724366463 in words is "sixty-eight billion, seven hundred twenty-four million, three hundred sixty-six thousand, four hundred sixty-three".