68433202457 has 2 divisors, whose sum is σ = 68433202458. Its totient is φ = 68433202456.

The previous prime is 68433202379. The next prime is 68433202463. The reversal of 68433202457 is 75420233486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53856020761 + 14577181696 = 232069^2 + 120736^2 .

It is a cyclic number.

It is not a de Polignac number, because 68433202457 - 2²⁴ = 68416425241 is a prime.

It is not a weakly prime, because it can be changed into another prime (68433222457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34216601228 + 34216601229.

It is an arithmetic number, because the mean of its divisors is an integer number (34216601229).

Almost surely, 2^68433202457 is an apocalyptic number.

It is an amenable number.

68433202457 is a deficient number, since it is larger than the sum of its proper divisors (1).

68433202457 is an equidigital number, since it uses as much as digits as its factorization.

68433202457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 68433202457 in words is "sixty-eight billion, four hundred thirty-three million, two hundred two thousand, four hundred fifty-seven".