2648256705 has 24 divisors (see below), whose sum is σ = 4626465792. Its totient is φ = 1401279264.

The previous prime is 2648256703. The next prime is 2648256733. The reversal of 2648256705 is 5076528462.

2648256705 is a `hidden beast` number, since 2 + 6 + 4 + 82 + 567 + 0 + 5 = 666.

It is not a de Polignac number, because 2648256705 - 2¹ = 2648256703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2648256701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225979 + ... + 237408.

It is an arithmetic number, because the mean of its divisors is an integer number (192769408).

Almost surely, 2^2648256705 is an apocalyptic number.

It is an amenable number.

2648256705 is a deficient number, since it is larger than the sum of its proper divisors (1978209087).

2648256705 is a wasteful number, since it uses less digits than its factorization.

2648256705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463525 (or 463522 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 2648256705 is about 51461.2155414153. The cubic root of 2648256705 is about 1383.5239880768.

The spelling of 2648256705 in words is "two billion, six hundred forty-eight million, two hundred fifty-six thousand, seven hundred five".