3618968725 has 12 divisors (see below), whose sum is σ = 4642264260. Its totient is φ = 2795340800.

The previous prime is 3618968723. The next prime is 3618968797. The reversal of 3618968725 is 5278698163.

It can be written as a sum of positive squares in 6 ways, for example, as 505440324 + 3113528401 = 22482^2 + 55799^2 .

It is not a de Polignac number, because 3618968725 - 2¹ = 3618968723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3618968723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2495116 + ... + 2496565.

It is an arithmetic number, because the mean of its divisors is an integer number (386855355).

Almost surely, 2^3618968725 is an apocalyptic number.

It is an amenable number.

3618968725 is a deficient number, since it is larger than the sum of its proper divisors (1023295535).

3618968725 is a wasteful number, since it uses less digits than its factorization.

3618968725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991720 (or 4991715 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 3618968725 is about 60157.8650302685. The cubic root of 3618968725 is about 1535.3059864565.

The spelling of 3618968725 in words is "three billion, six hundred eighteen million, nine hundred sixty-eight thousand, seven hundred twenty-five".