3268641305 has 8 divisors (see below), whose sum is σ = 3922902792. Its totient is φ = 2614557568.

The previous prime is 3268641239. The next prime is 3268641329. The reversal of 3268641305 is 5031468623.

It can be written as a sum of positive squares in 4 ways, for example, as 1180059904 + 2088581401 = 34352^2 + 45701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3268641305 - 2⁸ = 3268641049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77 + ... + 80853.

It is an arithmetic number, because the mean of its divisors is an integer number (490362849).

Almost surely, 2^3268641305 is an apocalyptic number.

It is an amenable number.

3268641305 is a deficient number, since it is larger than the sum of its proper divisors (654261487).

3268641305 is an equidigital number, since it uses as much as digits as its factorization.

3268641305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88875.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 3268641305 is about 57172.0325421442. The cubic root of 3268641305 is about 1484.0746773872.

The spelling of 3268641305 in words is "three billion, two hundred sixty-eight million, six hundred forty-one thousand, three hundred five".