38064939791 has 2 divisors, whose sum is σ = 38064939792. Its totient is φ = 38064939790.

The previous prime is 38064939767. The next prime is 38064939793. The reversal of 38064939791 is 19793946083.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38064939791 - 2⁶ = 38064939727 is a prime.

Together with 38064939793, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38064939791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38064939793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19032469895 + 19032469896.

It is an arithmetic number, because the mean of its divisors is an integer number (19032469896).

Almost surely, 2^38064939791 is an apocalyptic number.

38064939791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38064939791 is an equidigital number, since it uses as much as digits as its factorization.

38064939791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The spelling of 38064939791 in words is "thirty-eight billion, sixty-four million, nine hundred thirty-nine thousand, seven hundred ninety-one".