38982394281 has 24 divisors (see below), whose sum is σ = 52478471584. Its totient is φ = 25739398080.

The previous prime is 38982394277. The next prime is 38982394331. The reversal of 38982394281 is 18249328983.

It is a happy number.

It is not a de Polignac number, because 38982394281 - 2² = 38982394277 is a prime.

It is a super-2 number, since 2×38982394281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38982394211) 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 23 ways as a sum of consecutive naturals, for example, 29509101 + ... + 29510421.

Almost surely, 2^38982394281 is an apocalyptic number.

It is an amenable number.

38982394281 is a deficient number, since it is larger than the sum of its proper divisors (13496077303).

38982394281 is a wasteful number, since it uses less digits than its factorization.

38982394281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1810 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The spelling of 38982394281 in words is "thirty-eight billion, nine hundred eighty-two million, three hundred ninety-four thousand, two hundred eighty-one".