68444586308299 has 2 divisors, whose sum is σ = 68444586308300. Its totient is φ = 68444586308298.

The previous prime is 68444586308251. The next prime is 68444586308393. The reversal of 68444586308299 is 99280368544486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68444586308299 - 2⁷ = 68444586308171 is a prime.

It is a super-2 number, since 2×68444586308299² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68444586308899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34222293154149 + 34222293154150.

It is an arithmetic number, because the mean of its divisors is an integer number (34222293154150).

Almost surely, 2^{68444586308299} is an apocalyptic number.

68444586308299 is a deficient number, since it is larger than the sum of its proper divisors (1).

68444586308299 is an equidigital number, since it uses as much as digits as its factorization.

68444586308299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2866544640, while the sum is 76.

The spelling of 68444586308299 in words is "sixty-eight trillion, four hundred forty-four billion, five hundred eighty-six million, three hundred eight thousand, two hundred ninety-nine".