4109107725 has 30 divisors (see below), whose sum is σ = 7611491690. Its totient is φ = 2191523040.

The previous prime is 4109107721. The next prime is 4109107741. The reversal of 4109107725 is 5277019014.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15539364 + 4093568361 = 3942^2 + 63981^2 .

It is not a de Polignac number, because 4109107725 - 2² = 4109107721 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4109107725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4109107721) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1012570 + ... + 1016619.

Almost surely, 2^4109107725 is an apocalyptic number.

4109107725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4109107725 is a deficient number, since it is larger than the sum of its proper divisors (3502383965).

4109107725 is a wasteful number, since it uses less digits than its factorization.

4109107725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029211 (or 2029197 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 4109107725 is about 64102.3223058260. The cubic root of 4109107725 is about 1601.7049176656.

The spelling of 4109107725 in words is "four billion, one hundred nine million, one hundred seven thousand, seven hundred twenty-five".