7663838573 has 2 divisors, whose sum is σ = 7663838574. Its totient is φ = 7663838572.

The previous prime is 7663838543. The next prime is 7663838597. The reversal of 7663838573 is 3758383667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5631451849 + 2032386724 = 75043^2 + 45082^2 .

It is a cyclic number.

It is not a de Polignac number, because 7663838573 - 2⁸ = 7663838317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7663838503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831919286 + 3831919287.

It is an arithmetic number, because the mean of its divisors is an integer number (3831919287).

Almost surely, 2^7663838573 is an apocalyptic number.

It is an amenable number.

7663838573 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663838573 is an equidigital number, since it uses as much as digits as its factorization.

7663838573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The square root of 7663838573 is about 87543.3525346157. The cubic root of 7663838573 is about 1971.5847463665.

The spelling of 7663838573 in words is "seven billion, six hundred sixty-three million, eight hundred thirty-eight thousand, five hundred seventy-three".