4105328621 has 2 divisors, whose sum is σ = 4105328622. Its totient is φ = 4105328620.

The previous prime is 4105328569. The next prime is 4105328629. The reversal of 4105328621 is 1268235014.

4105328621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3187844521 + 917484100 = 56461^2 + 30290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4105328621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4105328629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052664310 + 2052664311.

It is an arithmetic number, because the mean of its divisors is an integer number (2052664311).

Almost surely, 2^4105328621 is an apocalyptic number.

It is an amenable number.

4105328621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105328621 is an equidigital number, since it uses as much as digits as its factorization.

4105328621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4105328621 is about 64072.8384028677. The cubic root of 4105328621 is about 1601.2137432270.

The spelling of 4105328621 in words is "four billion, one hundred five million, three hundred twenty-eight thousand, six hundred twenty-one".