4001754855281 has 2 divisors, whose sum is σ = 4001754855282. Its totient is φ = 4001754855280.

The previous prime is 4001754855209. The next prime is 4001754855299. The reversal of 4001754855281 is 1825584571004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3321816082225 + 679938773056 = 1822585^2 + 824584^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001754855281 - 2³⁸ = 3726876948337 is a prime.

It is a super-2 number, since 2×4001754855281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4001754852281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000877427640 + 2000877427641.

It is an arithmetic number, because the mean of its divisors is an integer number (2000877427641).

Almost surely, 2^{4001754855281} is an apocalyptic number.

It is an amenable number.

4001754855281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001754855281 is an equidigital number, since it uses as much as digits as its factorization.

4001754855281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792000, while the sum is 50.

The spelling of 4001754855281 in words is "four trillion, one billion, seven hundred fifty-four million, eight hundred fifty-five thousand, two hundred eighty-one".