2642328305 has 4 divisors (see below), whose sum is σ = 3170793972. Its totient is φ = 2113862640.

The previous prime is 2642328287. The next prime is 2642328317. The reversal of 2642328305 is 5038232462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1280423089 + 1361905216 = 35783^2 + 36904^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2642328305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264232826 + ... + 264232835.

It is an arithmetic number, because the mean of its divisors is an integer number (792698493).

Almost surely, 2^2642328305 is an apocalyptic number.

It is an amenable number.

2642328305 is a deficient number, since it is larger than the sum of its proper divisors (528465667).

2642328305 is an equidigital number, since it uses as much as digits as its factorization.

2642328305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528465666.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 2642328305 is about 51403.5826086081. The cubic root of 2642328305 is about 1382.4908289643.

The spelling of 2642328305 in words is "two billion, six hundred forty-two million, three hundred twenty-eight thousand, three hundred five".