38066684791 has 2 divisors, whose sum is σ = 38066684792. Its totient is φ = 38066684790.

The previous prime is 38066684771. The next prime is 38066684797. The reversal of 38066684791 is 19748666083.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38066684791 - 2²⁷ = 37932467063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38066684797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19033342395 + 19033342396.

It is an arithmetic number, because the mean of its divisors is an integer number (19033342396).

Almost surely, 2^38066684791 is an apocalyptic number.

38066684791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38066684791 is an equidigital number, since it uses as much as digits as its factorization.

38066684791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 38066684791 in words is "thirty-eight billion, sixty-six million, six hundred eighty-four thousand, seven hundred ninety-one".