3305126641 has 4 divisors (see below), whose sum is σ = 3305258992. Its totient is φ = 3304994292.

The previous prime is 3305126599. The next prime is 3305126701. The reversal of 3305126641 is 1466215033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1466215033 = 1259 ⋅1164587.

It is a cyclic number.

It is not a de Polignac number, because 3305126641 - 2¹³ = 3305118449 is a prime.

It is a super-2 number, since 2×3305126641² = 21847724226095885762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3305126941) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16071 + ... + 82876.

It is an arithmetic number, because the mean of its divisors is an integer number (826314748).

Almost surely, 2^3305126641 is an apocalyptic number.

It is an amenable number.

3305126641 is a deficient number, since it is larger than the sum of its proper divisors (132351).

3305126641 is an equidigital number, since it uses as much as digits as its factorization.

3305126641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132350.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3305126641 is about 57490.2308309855. The cubic root of 3305126641 is about 1489.5761208858.

The spelling of 3305126641 in words is "three billion, three hundred five million, one hundred twenty-six thousand, six hundred forty-one".