68471222149 has 12 divisors (see below), whose sum is σ = 76214447680. Its totient is φ = 61458625800.

The previous prime is 68471222137. The next prime is 68471222153. The reversal of 68471222149 is 94122217486.

It is not a de Polignac number, because 68471222149 - 2¹¹ = 68471220101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68471222099 and 68471222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68471222159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3571947 + ... + 3591064.

Almost surely, 2^68471222149 is an apocalyptic number.

It is an amenable number.

68471222149 is a deficient number, since it is larger than the sum of its proper divisors (7743225531).

68471222149 is a wasteful number, since it uses less digits than its factorization.

68471222149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163112 (or 7163101 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The spelling of 68471222149 in words is "sixty-eight billion, four hundred seventy-one million, two hundred twenty-two thousand, one hundred forty-nine".