3804518106281 has 2 divisors, whose sum is σ = 3804518106282. Its totient is φ = 3804518106280.

The previous prime is 3804518106269. The next prime is 3804518106299. The reversal of 3804518106281 is 1826018154083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3133608040000 + 670910066281 = 1770200^2 + 819091^2 .

It is a cyclic number.

It is not a de Polignac number, because 3804518106281 - 2¹⁰ = 3804518105257 is a prime.

It is a super-2 number, since 2×3804518106281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3804518106241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902259053140 + 1902259053141.

It is an arithmetic number, because the mean of its divisors is an integer number (1902259053141).

Almost surely, 2^{3804518106281} is an apocalyptic number.

It is an amenable number.

3804518106281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3804518106281 is an equidigital number, since it uses as much as digits as its factorization.

3804518106281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 3804518106281 in words is "three trillion, eight hundred four billion, five hundred eighteen million, one hundred six thousand, two hundred eighty-one".