3256946809 has 16 divisors (see below), whose sum is σ = 3445327872. Its totient is φ = 3072594448.

The previous prime is 3256946753. The next prime is 3256946813. The reversal of 3256946809 is 9086496523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256946809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3256946839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577712 + ... + 1579774.

It is an arithmetic number, because the mean of its divisors is an integer number (215332992).

Almost surely, 2^3256946809 is an apocalyptic number.

It is an amenable number.

3256946809 is a deficient number, since it is larger than the sum of its proper divisors (188381063).

3256946809 is a wasteful number, since it uses less digits than its factorization.

3256946809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 3256946809 is about 57069.6662772790. Note that the first 3 decimals coincide. The cubic root of 3256946809 is about 1482.3026623423.

The spelling of 3256946809 in words is "three billion, two hundred fifty-six million, nine hundred forty-six thousand, eight hundred nine".