4195944709 has 12 divisors (see below), whose sum is σ = 4883372172. Its totient is φ = 3590111360.

The previous prime is 4195944703. The next prime is 4195944769. The reversal of 4195944709 is 9074495914.

It can be written as a sum of positive squares in 2 ways, for example, as 3493164609 + 702780100 = 59103^2 + 26510^2 .

It is not a de Polignac number, because 4195944709 - 2⁵ = 4195944677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195944703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017862 + ... + 1021975.

It is an arithmetic number, because the mean of its divisors is an integer number (406947681).

Almost surely, 2^4195944709 is an apocalyptic number.

It is an amenable number.

4195944709 is a deficient number, since it is larger than the sum of its proper divisors (687427463).

4195944709 is a wasteful number, since it uses less digits than its factorization.

4195944709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039876 (or 2039865 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 4195944709 is about 64776.1121787963. The cubic root of 4195944709 is about 1612.9091992287.

It can be divided in two parts, 41959 and 44709, that added together give a palindrome (86668).

The spelling of 4195944709 in words is "four billion, one hundred ninety-five million, nine hundred forty-four thousand, seven hundred nine".