3655335213 has 12 divisors (see below), whose sum is σ = 5280597660. Its totient is φ = 2436581376.

The previous prime is 3655335181. The next prime is 3655335227. The reversal of 3655335213 is 3125335563.

3655335213 is a `hidden beast` number, since 3 + 65 + 533 + 52 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1576248804 + 2079086409 = 39702^2 + 45597^2 .

It is not a de Polignac number, because 3655335213 - 2⁵ = 3655335181 is a prime.

It is a super-2 number, since 2×3655335213² = 26722951038795510738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655335253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66733 + ... + 108461.

It is an arithmetic number, because the mean of its divisors is an integer number (440049805).

Almost surely, 2^3655335213 is an apocalyptic number.

It is an amenable number.

3655335213 is a deficient number, since it is larger than the sum of its proper divisors (1625262447).

3655335213 is a wasteful number, since it uses less digits than its factorization.

3655335213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51468 (or 51465 counting only the distinct ones).

The product of its digits is 121500, while the sum is 36.

The square root of 3655335213 is about 60459.3682815161. The cubic root of 3655335213 is about 1540.4315444614.

The spelling of 3655335213 in words is "three billion, six hundred fifty-five million, three hundred thirty-five thousand, two hundred thirteen".