3936525913 has 12 divisors (see below), whose sum is σ = 3985362108. Its totient is φ = 3888208640.

The previous prime is 3936525893. The next prime is 3936525919. The reversal of 3936525913 is 3195256393.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2649366784 + 1287159129 = 51472^2 + 35877^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3936525913 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 (3936525919) 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, 5172453 + ... + 5173213.

It is an arithmetic number, because the mean of its divisors is an integer number (332113509).

Almost surely, 2^3936525913 is an apocalyptic number.

It is an amenable number.

3936525913 is a deficient number, since it is larger than the sum of its proper divisors (48836195).

3936525913 is an equidigital number, since it uses as much as digits as its factorization.

3936525913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1143 counting only the distinct ones).

The product of its digits is 656100, while the sum is 46.

The square root of 3936525913 is about 62741.7397989568. The cubic root of 3936525913 is about 1578.9596731452.

The spelling of 3936525913 in words is "three billion, nine hundred thirty-six million, five hundred twenty-five thousand, nine hundred thirteen".