4020510517841 has 2 divisors, whose sum is σ = 4020510517842. Its totient is φ = 4020510517840.

The previous prime is 4020510517769. The next prime is 4020510517867. The reversal of 4020510517841 is 1487150150204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3397036041025 + 623474476816 = 1843105^2 + 789604^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020510517841 - 2³⁴ = 4003330648657 is a prime.

It is a super-3 number, since 3×4020510517841³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4020510517795 and 4020510517804.

It is not a weakly prime, because it can be changed into another prime (4020510517741) 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 as a sum of consecutive naturals, namely, 2010255258920 + 2010255258921.

It is an arithmetic number, because the mean of its divisors is an integer number (2010255258921).

Almost surely, 2^{4020510517841} is an apocalyptic number.

It is an amenable number.

4020510517841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020510517841 is an equidigital number, since it uses as much as digits as its factorization.

4020510517841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 4020510517841 in words is "four trillion, twenty billion, five hundred ten million, five hundred seventeen thousand, eight hundred forty-one".