4021434317413 has 2 divisors, whose sum is σ = 4021434317414. Its totient is φ = 4021434317412.

The previous prime is 4021434317401. The next prime is 4021434317437. The reversal of 4021434317413 is 3147134341204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2444948158689 + 1576486158724 = 1563633^2 + 1255582^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021434317413 - 2⁹ = 4021434316901 is a prime.

It is a super-2 number, since 2×4021434317413² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021434317473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010717158706 + 2010717158707.

It is an arithmetic number, because the mean of its divisors is an integer number (2010717158707).

Almost surely, 2^{4021434317413} is an apocalyptic number.

It is an amenable number.

4021434317413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021434317413 is an equidigital number, since it uses as much as digits as its factorization.

4021434317413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 37.

Adding to 4021434317413 its reverse (3147134341204), we get a palindrome (7168568658617).

The spelling of 4021434317413 in words is "four trillion, twenty-one billion, four hundred thirty-four million, three hundred seventeen thousand, four hundred thirteen".