68428669441 has 16 divisors (see below), whose sum is σ = 75177181440. Its totient is φ = 61769569680.

The previous prime is 68428669429. The next prime is 68428669451. The reversal of 68428669441 is 14496682486.

68428669441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 68428669441 - 2¹⁷ = 68428538369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68428669451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910210 + ... + 982516.

It is an arithmetic number, because the mean of its divisors is an integer number (4698573840).

Almost surely, 2^68428669441 is an apocalyptic number.

It is an amenable number.

68428669441 is a deficient number, since it is larger than the sum of its proper divisors (6748511999).

68428669441 is a wasteful number, since it uses less digits than its factorization.

68428669441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72924.

The product of its digits is 15925248, while the sum is 58.

The spelling of 68428669441 in words is "sixty-eight billion, four hundred twenty-eight million, six hundred sixty-nine thousand, four hundred forty-one".