3842181580613 has 4 divisors (see below), whose sum is σ = 3842502603660. Its totient is φ = 3841860557568.

The previous prime is 3842181580607. The next prime is 3842181580637. The reversal of 3842181580613 is 3160851812483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 292661524324 + 3549520056289 = 540982^2 + 1884017^2 .

It is a cyclic number.

It is not a de Polignac number, because 3842181580613 - 2¹⁰ = 3842181579589 is a prime.

It is a super-2 number, since 2×3842181580613² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3842181580663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160493570 + ... + 160517507.

It is an arithmetic number, because the mean of its divisors is an integer number (960625650915).

Almost surely, 2^{3842181580613} is an apocalyptic number.

It is an amenable number.

3842181580613 is a deficient number, since it is larger than the sum of its proper divisors (321023047).

3842181580613 is a wasteful number, since it uses less digits than its factorization.

3842181580613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321023046.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 3842181580613 in words is "three trillion, eight hundred forty-two billion, one hundred eighty-one million, five hundred eighty thousand, six hundred thirteen".