281235323876401 has 8 divisors (see below), whose sum is σ = 282078111539304. Its totient is φ = 280393364509440.

The previous prime is 281235323876393. The next prime is 281235323876411. The reversal of 281235323876401 is 104678323532182.

It can be written as a sum of positive squares in 4 ways, for example, as 653226034176 + 280582097842225 = 808224^2 + 16750585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 281235323876401 - 2³ = 281235323876393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (281235323876411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206393896 + ... + 207752041.

It is an arithmetic number, because the mean of its divisors is an integer number (35259763942413).

Almost surely, 2^{281235323876401} is an apocalyptic number.

It is an amenable number.

281235323876401 is a deficient number, since it is larger than the sum of its proper divisors (842787662903).

281235323876401 is a wasteful number, since it uses less digits than its factorization.

281235323876401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414147971.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 281235323876401 in words is "two hundred eighty-one trillion, two hundred thirty-five billion, three hundred twenty-three million, eight hundred seventy-six thousand, four hundred one".