3936640253 has 12 divisors (see below), whose sum is σ = 4931616060. Its totient is φ = 3114703872.

The previous prime is 3936640247. The next prime is 3936640313. The reversal of 3936640253 is 3520466393.

It can be written as a sum of positive squares in 2 ways, for example, as 215884249 + 3720756004 = 14693^2 + 60998^2 .

It is not a de Polignac number, because 3936640253 - 2⁶ = 3936640189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3936640253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936640223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3089348 + ... + 3090621.

It is an arithmetic number, because the mean of its divisors is an integer number (410968005).

Almost surely, 2^3936640253 is an apocalyptic number.

It is an amenable number.

3936640253 is a deficient number, since it is larger than the sum of its proper divisors (994975807).

3936640253 is a wasteful number, since it uses less digits than its factorization.

3936640253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6179996 (or 6179989 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 41.

The square root of 3936640253 is about 62742.6509879842. The cubic root of 3936640253 is about 1578.9749604404.

The spelling of 3936640253 in words is "three billion, nine hundred thirty-six million, six hundred forty thousand, two hundred fifty-three".