4105203989 has 2 divisors, whose sum is σ = 4105203990. Its totient is φ = 4105203988.

The previous prime is 4105203961. The next prime is 4105204021. The reversal of 4105203989 is 9893025014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2165506225 + 1939697764 = 46535^2 + 44042^2 .

It is a cyclic number.

It is not a de Polignac number, because 4105203989 - 2²⁰ = 4104155413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4105203919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052601994 + 2052601995.

It is an arithmetic number, because the mean of its divisors is an integer number (2052601995).

Almost surely, 2^4105203989 is an apocalyptic number.

It is an amenable number.

4105203989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105203989 is an equidigital number, since it uses as much as digits as its factorization.

4105203989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4105203989 is about 64071.8658148801. The cubic root of 4105203989 is about 1601.1975395310.

The spelling of 4105203989 in words is "four billion, one hundred five million, two hundred three thousand, nine hundred eighty-nine".