38794693571 has 2 divisors, whose sum is σ = 38794693572. Its totient is φ = 38794693570.

The previous prime is 38794693523. The next prime is 38794693573. The reversal of 38794693571 is 17539649783.

It is a strong prime.

It is an emirp because it is prime and its reverse (17539649783) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38794693571 is a prime.

It is a Sophie Germain prime.

Together with 38794693573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38794693573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19397346785 + 19397346786.

It is an arithmetic number, because the mean of its divisors is an integer number (19397346786).

Almost surely, 2^38794693571 is an apocalyptic number.

38794693571 is a deficient number, since it is larger than the sum of its proper divisors (1).

38794693571 is an equidigital number, since it uses as much as digits as its factorization.

38794693571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 62.

The spelling of 38794693571 in words is "thirty-eight billion, seven hundred ninety-four million, six hundred ninety-three thousand, five hundred seventy-one".