2648118461 has 2 divisors, whose sum is σ = 2648118462. Its totient is φ = 2648118460.

The previous prime is 2648118457. The next prime is 2648118463. The reversal of 2648118461 is 1648118462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2558437561 + 89680900 = 50581^2 + 9470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648118461 - 2² = 2648118457 is a prime.

Together with 2648118463, 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 (2648118463) 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, 1324059230 + 1324059231.

It is an arithmetic number, because the mean of its divisors is an integer number (1324059231).

Almost surely, 2^2648118461 is an apocalyptic number.

It is an amenable number.

2648118461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648118461 is an equidigital number, since it uses as much as digits as its factorization.

2648118461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 41.

The square root of 2648118461 is about 51459.8723375797. The cubic root of 2648118461 is about 1383.4999134698.

Subtracting from 2648118461 its reverse (1648118462), we obtain a palindrome (999999999).

The spelling of 2648118461 in words is "two billion, six hundred forty-eight million, one hundred eighteen thousand, four hundred sixty-one".