4021412431313 has 4 divisors (see below), whose sum is σ = 4042248765348. Its totient is φ = 4000576097280.

The previous prime is 4021412431301. The next prime is 4021412431433. The reversal of 4021412431313 is 3131342141204.

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 1462026794449 + 2559385636864 = 1209143^2 + 1599808^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021412431313 - 2²² = 4021408237009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021412431013) 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, 10418166728 + ... + 10418167113.

It is an arithmetic number, because the mean of its divisors is an integer number (1010562191337).

Almost surely, 2^{4021412431313} is an apocalyptic number.

It is an amenable number.

4021412431313 is a deficient number, since it is larger than the sum of its proper divisors (20836334035).

4021412431313 is a wasteful number, since it uses less digits than its factorization.

4021412431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836334034.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 4021412431313 its reverse (3131342141204), we get a palindrome (7152754572517).

The spelling of 4021412431313 in words is "four trillion, twenty-one billion, four hundred twelve million, four hundred thirty-one thousand, three hundred thirteen".