38386502021 has 16 divisors (see below), whose sum is σ = 44064155520. Its totient is φ = 32757432000.

The previous prime is 38386502017. The next prime is 38386502051. The reversal of 38386502021 is 12020568383.

It is a cyclic number.

It is not a de Polignac number, because 38386502021 - 2² = 38386502017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38386502051) 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 in 15 ways as a sum of consecutive naturals, for example, 7005935 + ... + 7011411.

It is an arithmetic number, because the mean of its divisors is an integer number (2754009720).

Almost surely, 2^38386502021 is an apocalyptic number.

It is an amenable number.

38386502021 is a deficient number, since it is larger than the sum of its proper divisors (5677653499).

38386502021 is a wasteful number, since it uses less digits than its factorization.

38386502021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9724.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 38386502021 in words is "thirty-eight billion, three hundred eighty-six million, five hundred two thousand, twenty-one".