2648389507 has 4 divisors (see below), whose sum is σ = 2648515320. Its totient is φ = 2648263696.

The previous prime is 2648389501. The next prime is 2648389517. The reversal of 2648389507 is 7059838462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648389507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648389501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22813 + ... + 76270.

It is an arithmetic number, because the mean of its divisors is an integer number (662128830).

Almost surely, 2^2648389507 is an apocalyptic number.

2648389507 is a deficient number, since it is larger than the sum of its proper divisors (125813).

2648389507 is an equidigital number, since it uses as much as digits as its factorization.

2648389507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125812.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 2648389507 is about 51462.5058367740. The cubic root of 2648389507 is about 1383.5471141936.

The spelling of 2648389507 in words is "two billion, six hundred forty-eight million, three hundred eighty-nine thousand, five hundred seven".