38221820071 has 2 divisors, whose sum is σ = 38221820072. Its totient is φ = 38221820070.

The previous prime is 38221820009. The next prime is 38221820129. The reversal of 38221820071 is 17002812283.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38221820071 - 2⁷ = 38221819943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38221830071) 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, 19110910035 + 19110910036.

It is an arithmetic number, because the mean of its divisors is an integer number (19110910036).

Almost surely, 2^38221820071 is an apocalyptic number.

38221820071 is a deficient number, since it is larger than the sum of its proper divisors (1).

38221820071 is an equidigital number, since it uses as much as digits as its factorization.

38221820071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 38221820071 in words is "thirty-eight billion, two hundred twenty-one million, eight hundred twenty thousand, seventy-one".