2644064315 has 16 divisors (see below), whose sum is σ = 3394161792. Its totient is φ = 1970294784.

The previous prime is 2644064303. The next prime is 2644064323. The reversal of 2644064315 is 5134604462.

It is a cyclic number.

It is not a de Polignac number, because 2644064315 - 2¹⁶ = 2643998779 is a prime.

It is a super-2 number, since 2×2644064315² = 13982152203712838450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152099 + ... + 168588.

It is an arithmetic number, because the mean of its divisors is an integer number (212135112).

Almost surely, 2^2644064315 is an apocalyptic number.

2644064315 is a deficient number, since it is larger than the sum of its proper divisors (750097477).

2644064315 is a wasteful number, since it uses less digits than its factorization.

2644064315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320806.

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

The square root of 2644064315 is about 51420.4659158199. The cubic root of 2644064315 is about 1382.7935282273.

Adding to 2644064315 its reverse (5134604462), we get a palindrome (7778668777).

The spelling of 2644064315 in words is "two billion, six hundred forty-four million, sixty-four thousand, three hundred fifteen".