2648237213 has 2 divisors, whose sum is σ = 2648237214. Its totient is φ = 2648237212.

The previous prime is 2648237143. The next prime is 2648237257. The reversal of 2648237213 is 3127328462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2308129849 + 340107364 = 48043^2 + 18442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2648237213 - 2¹² = 2648233117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648237113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324118606 + 1324118607.

It is an arithmetic number, because the mean of its divisors is an integer number (1324118607).

Almost surely, 2^2648237213 is an apocalyptic number.

It is an amenable number.

2648237213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648237213 is an equidigital number, since it uses as much as digits as its factorization.

2648237213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 38.

The square root of 2648237213 is about 51461.0261557229. The cubic root of 2648237213 is about 1383.5205936784.

The spelling of 2648237213 in words is "two billion, six hundred forty-eight million, two hundred thirty-seven thousand, two hundred thirteen".