4195124909 has 4 divisors (see below), whose sum is σ = 4196525820. Its totient is φ = 4193724000.

The previous prime is 4195124903. The next prime is 4195124917. The reversal of 4195124909 is 9094215914.

4195124909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1981140100 + 2213984809 = 44510^2 + 47053^2 .

It is a cyclic number.

It is not a de Polignac number, because 4195124909 - 2¹⁶ = 4195059373 is a prime.

It is a super-2 number, since 2×4195124909² = 35198146004224516562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4195124909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195124903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695954 + ... + 701955.

It is an arithmetic number, because the mean of its divisors is an integer number (1049131455).

Almost surely, 2^4195124909 is an apocalyptic number.

It is an amenable number.

4195124909 is a deficient number, since it is larger than the sum of its proper divisors (1400911).

4195124909 is a wasteful number, since it uses less digits than its factorization.

4195124909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400910.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 4195124909 is about 64769.7839196643. The cubic root of 4195124909 is about 1612.8041494583.

The spelling of 4195124909 in words is "four billion, one hundred ninety-five million, one hundred twenty-four thousand, nine hundred nine".