68956428983 has 6 divisors (see below), whose sum is σ = 74668796064. Its totient is φ = 63652088136.

The previous prime is 68956428917. The next prime is 68956428991. The reversal of 68956428983 is 38982465986.

It is not a de Polignac number, because 68956428983 - 2¹⁶ = 68956363447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68956428083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204012935 + ... + 204013272.

It is an arithmetic number, because the mean of its divisors is an integer number (12444799344).

Almost surely, 2^68956428983 is an apocalyptic number.

68956428983 is a deficient number, since it is larger than the sum of its proper divisors (5712367081).

68956428983 is a wasteful number, since it uses less digits than its factorization.

68956428983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408026233 (or 408026220 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 68.

The spelling of 68956428983 in words is "sixty-eight billion, nine hundred fifty-six million, four hundred twenty-eight thousand, nine hundred eighty-three".