3862001226681 has 12 divisors (see below), whose sum is σ = 6007557463908. Its totient is φ = 2376616139424.

The previous prime is 3862001226679. The next prime is 3862001226703. The reversal of 3862001226681 is 1866221002683.

3862001226681 is a `hidden beast` number, since 3 + 8 + 620 + 0 + 12 + 2 + 6 + 6 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1977091900281 + 1884909326400 = 1406091^2 + 1372920^2 .

It is not a de Polignac number, because 3862001226681 - 2¹ = 3862001226679 is a prime.

It is a super-2 number, since 2×3862001226681² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3862001227681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16504278630 + ... + 16504278863.

It is an arithmetic number, because the mean of its divisors is an integer number (500629788659).

Almost surely, 2^{3862001226681} is an apocalyptic number.

It is an amenable number.

3862001226681 is a deficient number, since it is larger than the sum of its proper divisors (2145556237227).

3862001226681 is a wasteful number, since it uses less digits than its factorization.

3862001226681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33008557512 (or 33008557509 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 3862001226681 in words is "three trillion, eight hundred sixty-two billion, one million, two hundred twenty-six thousand, six hundred eighty-one".