3842557144681 has 8 divisors (see below), whose sum is σ = 3849856369920. Its totient is φ = 3835264603968.

The previous prime is 3842557144667. The next prime is 3842557144687. The reversal of 3842557144681 is 1864417552483.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3842557144681 - 2¹⁹ = 3842556620393 is a prime.

It is a super-2 number, since 2×3842557144681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3842557144687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519601 + ... + 2820478.

It is an arithmetic number, because the mean of its divisors is an integer number (481232046240).

Almost surely, 2^{3842557144681} is an apocalyptic number.

It is an amenable number.

3842557144681 is a deficient number, since it is larger than the sum of its proper divisors (7299225239).

3842557144681 is a wasteful number, since it uses less digits than its factorization.

3842557144681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342263.

The product of its digits is 25804800, while the sum is 58.

The spelling of 3842557144681 in words is "three trillion, eight hundred forty-two billion, five hundred fifty-seven million, one hundred forty-four thousand, six hundred eighty-one".