4021104240413 has 4 divisors (see below), whose sum is σ = 4330419951228. Its totient is φ = 3711788529600.

The previous prime is 4021104240397. The next prime is 4021104240443. The reversal of 4021104240413 is 3140424011204.

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 1876510940164 + 2144593300249 = 1369858^2 + 1464443^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021104240413 - 2⁴ = 4021104240397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021104240443) 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, 154657855388 + ... + 154657855413.

It is an arithmetic number, because the mean of its divisors is an integer number (1082604987807).

Almost surely, 2^{4021104240413} is an apocalyptic number.

It is an amenable number.

4021104240413 is a deficient number, since it is larger than the sum of its proper divisors (309315710815).

4021104240413 is a wasteful number, since it uses less digits than its factorization.

4021104240413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309315710814.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4021104240413 its reverse (3140424011204), we get a palindrome (7161528251617).

The spelling of 4021104240413 in words is "four trillion, twenty-one billion, one hundred four million, two hundred forty thousand, four hundred thirteen".