3253681646 has 12 divisors (see below), whose sum is σ = 5184500568. Its totient is φ = 1531144032.

The previous prime is 3253681609. The next prime is 3253681661. The reversal of 3253681646 is 6461863523.

It is a happy number.

It is a super-3 number, since 3×3253681646³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3253681597 and 3253681606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2814026 + ... + 2815181.

It is an arithmetic number, because the mean of its divisors is an integer number (432041714).

Almost surely, 2^3253681646 is an apocalyptic number.

3253681646 is a deficient number, since it is larger than the sum of its proper divisors (1930818922).

3253681646 is a wasteful number, since it uses less digits than its factorization.

3253681646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629243 (or 5629226 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The square root of 3253681646 is about 57041.0522869275. The cubic root of 3253681646 is about 1481.8071493784.

The spelling of 3253681646 in words is "three billion, two hundred fifty-three million, six hundred eighty-one thousand, six hundred forty-six".