38806663583 has 2 divisors, whose sum is σ = 38806663584. Its totient is φ = 38806663582.

The previous prime is 38806663579. The next prime is 38806663591. The reversal of 38806663583 is 38536660883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38806663583 - 2² = 38806663579 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38806663573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19403331791 + 19403331792.

It is an arithmetic number, because the mean of its divisors is an integer number (19403331792).

Almost surely, 2^38806663583 is an apocalyptic number.

38806663583 is a deficient number, since it is larger than the sum of its proper divisors (1).

38806663583 is an equidigital number, since it uses as much as digits as its factorization.

38806663583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 56.

The spelling of 38806663583 in words is "thirty-eight billion, eight hundred six million, six hundred sixty-three thousand, five hundred eighty-three".