2618368673 has 2 divisors, whose sum is σ = 2618368674. Its totient is φ = 2618368672.

The previous prime is 2618368619. The next prime is 2618368681. The reversal of 2618368673 is 3768638162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1919929489 + 698439184 = 43817^2 + 26428^2 .

It is a cyclic number.

It is not a de Polignac number, because 2618368673 - 2²⁴ = 2601591457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2618368693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309184336 + 1309184337.

It is an arithmetic number, because the mean of its divisors is an integer number (1309184337).

Almost surely, 2^2618368673 is an apocalyptic number.

It is an amenable number.

2618368673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2618368673 is an equidigital number, since it uses as much as digits as its factorization.

2618368673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The square root of 2618368673 is about 51169.9977819034. The cubic root of 2618368673 is about 1378.2995005050.

The spelling of 2618368673 in words is "two billion, six hundred eighteen million, three hundred sixty-eight thousand, six hundred seventy-three".