68434243486 has 24 divisors (see below), whose sum is σ = 119449956960. Its totient is φ = 29319337152.

The previous prime is 68434243477. The next prime is 68434243499.

68434243486 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68434243486² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189691 + ... + 415753.

It is an arithmetic number, because the mean of its divisors is an integer number (4977081540).

Almost surely, 2^68434243486 is an apocalyptic number.

68434243486 is a deficient number, since it is larger than the sum of its proper divisors (51015713474).

68434243486 is a wasteful number, since it uses less digits than its factorization.

68434243486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229168 (or 229161 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 52.

The spelling of 68434243486 in words is "sixty-eight billion, four hundred thirty-four million, two hundred forty-three thousand, four hundred eighty-six".