2648409786 has 24 divisors (see below), whose sum is σ = 6259878144. Its totient is φ = 802548360.

The previous prime is 2648409769. The next prime is 2648409793. The reversal of 2648409786 is 6879048462.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6687706 + ... + 6688101.

It is an arithmetic number, because the mean of its divisors is an integer number (260828256).

Almost surely, 2^2648409786 is an apocalyptic number.

2648409786 is an abundant number, since it is smaller than the sum of its proper divisors (3611468358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2648409786 is a wasteful number, since it uses less digits than its factorization.

2648409786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375826 (or 13375823 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 2648409786 is about 51462.7028633359. The cubic root of 2648409786 is about 1383.5506455071.

The spelling of 2648409786 in words is "two billion, six hundred forty-eight million, four hundred nine thousand, seven hundred eighty-six".