2648994805 has 8 divisors (see below), whose sum is σ = 3179339352. Its totient is φ = 2118832128.

The previous prime is 2648994793. The next prime is 2648994811. The reversal of 2648994805 is 5084998462.

It can be written as a sum of positive squares in 4 ways, for example, as 1601760484 + 1047234321 = 40022^2 + 32361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2648994805 - 2¹¹ = 2648992757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11052 + ... + 73621.

It is an arithmetic number, because the mean of its divisors is an integer number (397417419).

Almost surely, 2^2648994805 is an apocalyptic number.

It is an amenable number.

2648994805 is a deficient number, since it is larger than the sum of its proper divisors (530344547).

2648994805 is an equidigital number, since it uses as much as digits as its factorization.

2648994805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90935.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 2648994805 is about 51468.3864619827. The cubic root of 2648994805 is about 1383.6525108892.

The spelling of 2648994805 in words is "two billion, six hundred forty-eight million, nine hundred ninety-four thousand, eight hundred five".