68346464387 has 2 divisors, whose sum is σ = 68346464388. Its totient is φ = 68346464386.

The previous prime is 68346464363. The next prime is 68346464411. The reversal of 68346464387 is 78346464386.

It is a balanced prime because it is at equal distance from previous prime (68346464363) and next prime (68346464411).

It is a cyclic number.

It is not a de Polignac number, because 68346464387 - 2⁶ = 68346464323 is a prime.

It is not a weakly prime, because it can be changed into another prime (68346404387) 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, 34173232193 + 34173232194.

It is an arithmetic number, because the mean of its divisors is an integer number (34173232194).

Almost surely, 2^68346464387 is an apocalyptic number.

68346464387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68346464387 is an equidigital number, since it uses as much as digits as its factorization.

68346464387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55738368, while the sum is 59.

Subtracting 68346464387 from its reverse (78346464386), we obtain a palindrome (9999999999).

The spelling of 68346464387 in words is "sixty-eight billion, three hundred forty-six million, four hundred sixty-four thousand, three hundred eighty-seven".