3842573835681 has 48 divisors (see below), whose sum is σ = 6351305261184. Its totient is φ = 2192985476352.

The previous prime is 3842573835673. The next prime is 3842573835767. The reversal of 3842573835681 is 1865383752483.

3842573835681 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 573 + 8 + 3 + 56 + 8 + 1 = 666.

It is not a de Polignac number, because 3842573835681 - 2³ = 3842573835673 is a prime.

It is a super-2 number, since 2×3842573835681² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3842573835281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343787365 + ... + 343798541.

It is an arithmetic number, because the mean of its divisors is an integer number (132318859608).

Almost surely, 2^{3842573835681} is an apocalyptic number.

It is an amenable number.

3842573835681 is a deficient number, since it is larger than the sum of its proper divisors (2508731425503).

3842573835681 is a wasteful number, since it uses less digits than its factorization.

3842573835681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17590 (or 17587 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 3842573835681 in words is "three trillion, eight hundred forty-two billion, five hundred seventy-three million, eight hundred thirty-five thousand, six hundred eighty-one".