68989298986 has 32 divisors (see below), whose sum is σ = 112473852480. Its totient is φ = 31610294016.

The previous prime is 68989298981. The next prime is 68989298993.

It is a happy number.

68989298986 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (68989298981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389025 + ... + 537883.

It is an arithmetic number, because the mean of its divisors is an integer number (3514807890).

Almost surely, 2^68989298986 is an apocalyptic number.

68989298986 is a deficient number, since it is larger than the sum of its proper divisors (43484553494).

68989298986 is a wasteful number, since it uses less digits than its factorization.

68989298986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149238.

The product of its digits is 1934917632, while the sum is 82.

The spelling of 68989298986 in words is "sixty-eight billion, nine hundred eighty-nine million, two hundred ninety-eight thousand, nine hundred eighty-six".