38721320203283 has 4 divisors (see below), whose sum is σ = 39621816022008. Its totient is φ = 37820824384560.

The previous prime is 38721320203211. The next prime is 38721320203403. The reversal of 38721320203283 is 38230202312783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38721320203283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38721320202283) 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 in 3 ways as a sum of consecutive naturals, for example, 450247909298 + ... + 450247909383.

It is an arithmetic number, because the mean of its divisors is an integer number (9905454005502).

Almost surely, 2^{38721320203283} is an apocalyptic number.

38721320203283 is a deficient number, since it is larger than the sum of its proper divisors (900495818725).

38721320203283 is an equidigital number, since it uses as much as digits as its factorization.

38721320203283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900495818724.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 38721320203283 in words is "thirty-eight trillion, seven hundred twenty-one billion, three hundred twenty million, two hundred three thousand, two hundred eighty-three".