28068051689041 has 45 divisors (see below), whose sum is σ = 35460905594481. Its totient is φ = 22205019092256.

The previous prime is 28068051689023. The next prime is 28068051689057. The reversal of 28068051689041 is 14098615086082.

It is a happy number.

The square root of 28068051689041 is 5297929.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1898688329041 + 26169363360000 = 1377929^2 + 5115600^2 .

It is not a de Polignac number, because 28068051689041 - 2¹¹ = 28068051686993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28068051689641) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3374776615 + ... + 3374784931.

Almost surely, 2^{28068051689041} is an apocalyptic number.

28068051689041 is the 5297929-th square number.

28068051689041 is the 2648965-th centered octagonal number.

It is an amenable number.

28068051689041 is a deficient number, since it is larger than the sum of its proper divisors (7392853905440).

28068051689041 is an frugal number, since it uses more digits than its factorization.

28068051689041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16688 (or 8337 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 28068051689041 in words is "twenty-eight trillion, sixty-eight billion, fifty-one million, six hundred eighty-nine thousand, forty-one".