3213640053 has 24 divisors (see below), whose sum is σ = 5005603512. Its totient is φ = 1975010688.

The previous prime is 3213640037. The next prime is 3213640057. The reversal of 3213640053 is 3500463123.

It is a happy number.

3213640053 is a `hidden beast` number, since 3 + 2 + 13 + 640 + 0 + 5 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 380952324 + 2832687729 = 19518^2 + 53223^2 .

It is not a de Polignac number, because 3213640053 - 2⁴ = 3213640037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3213639999 and 3213640026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213640057) 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 23 ways as a sum of consecutive naturals, for example, 72675 + ... + 108207.

It is an arithmetic number, because the mean of its divisors is an integer number (208566813).

Almost surely, 2^3213640053 is an apocalyptic number.

It is an amenable number.

3213640053 is a deficient number, since it is larger than the sum of its proper divisors (1791963459).

3213640053 is a wasteful number, since it uses less digits than its factorization.

3213640053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36325 (or 36322 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3213640053 is about 56688.9764680930. The cubic root of 3213640053 is about 1475.7033976141.

The spelling of 3213640053 in words is "three billion, two hundred thirteen million, six hundred forty thousand, fifty-three".