4381366928413 has 2 divisors, whose sum is σ = 4381366928414. Its totient is φ = 4381366928412.

The previous prime is 4381366928387. The next prime is 4381366928423. The reversal of 4381366928413 is 3148296631834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2573194557924 + 1808172370489 = 1604118^2 + 1344683^2 .

It is a cyclic number.

It is not a de Polignac number, because 4381366928413 - 2²⁹ = 4380830057501 is a prime.

It is a super-2 number, since 2×4381366928413² (a number of 26 digits) contains 22 as substring.

It is the 2093172-nd Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4381366928423) by changing a digit.

It is a nontrivial repunit in base 2093171.

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 as a sum of consecutive naturals, namely, 2190683464206 + 2190683464207.

It is an arithmetic number, because the mean of its divisors is an integer number (2190683464207).

Almost surely, 2^{4381366928413} is an apocalyptic number.

It is an amenable number.

4381366928413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381366928413 is an equidigital number, since it uses as much as digits as its factorization.

4381366928413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17915904, while the sum is 58.

The spelling of 4381366928413 in words is "four trillion, three hundred eighty-one billion, three hundred sixty-six million, nine hundred twenty-eight thousand, four hundred thirteen".