4105819925 has 12 divisors (see below), whose sum is σ = 5092146180. Its totient is φ = 3284056320.

The previous prime is 4105819919. The next prime is 4105819931. The reversal of 4105819925 is 5299185014.

It is an interprime number because it is at equal distance from previous prime (4105819919) and next prime (4105819931).

It can be written as a sum of positive squares in 6 ways, for example, as 345922801 + 3759897124 = 18599^2 + 61318^2 .

It is not a de Polignac number, because 4105819925 - 2¹² = 4105815829 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168941 + ... + 191709.

It is an arithmetic number, because the mean of its divisors is an integer number (424345515).

Almost surely, 2^4105819925 is an apocalyptic number.

It is an amenable number.

4105819925 is a deficient number, since it is larger than the sum of its proper divisors (986326255).

4105819925 is a wasteful number, since it uses less digits than its factorization.

4105819925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29992 (or 29987 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 4105819925 is about 64076.6722372503. The cubic root of 4105819925 is about 1601.2776156076.

The spelling of 4105819925 in words is "four billion, one hundred five million, eight hundred nineteen thousand, nine hundred twenty-five".