2648894069 has 2 divisors, whose sum is σ = 2648894070. Its totient is φ = 2648894068.

The previous prime is 2648894051. The next prime is 2648894071. The reversal of 2648894069 is 9604988462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2230200625 + 418693444 = 47225^2 + 20462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648894069 - 2⁸ = 2648893813 is a prime.

It is a super-2 number, since 2×2648894069² = 14033279577566753522, which contains 22 as substring.

Together with 2648894071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648894029) 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 as a sum of consecutive naturals, namely, 1324447034 + 1324447035.

It is an arithmetic number, because the mean of its divisors is an integer number (1324447035).

Almost surely, 2^2648894069 is an apocalyptic number.

It is an amenable number.

2648894069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648894069 is an equidigital number, since it uses as much as digits as its factorization.

2648894069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The square root of 2648894069 is about 51467.4078325303. The cubic root of 2648894069 is about 1383.6349714832.

The spelling of 2648894069 in words is "two billion, six hundred forty-eight million, eight hundred ninety-four thousand, sixty-nine".