2648279651 has 4 divisors (see below), whose sum is σ = 2649986472. Its totient is φ = 2646572832.

The previous prime is 2648279629. The next prime is 2648279653. The reversal of 2648279651 is 1569728462.

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

It is a cyclic number.

It is not a de Polignac number, because 2648279651 - 2³⁰ = 1574537827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2648279651.

It is not an unprimeable number, because it can be changed into a prime (2648279653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 851081 + ... + 854186.

It is an arithmetic number, because the mean of its divisors is an integer number (662496618).

Almost surely, 2^2648279651 is an apocalyptic number.

2648279651 is a deficient number, since it is larger than the sum of its proper divisors (1706821).

2648279651 is a wasteful number, since it uses less digits than its factorization.

2648279651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706820.

The product of its digits is 1451520, while the sum is 50.

The square root of 2648279651 is about 51461.4384855301. The cubic root of 2648279651 is about 1383.5279839445.

The spelling of 2648279651 in words is "two billion, six hundred forty-eight million, two hundred seventy-nine thousand, six hundred fifty-one".