38647869983 has 4 divisors (see below), whose sum is σ = 38848118208. Its totient is φ = 38447621760.

The previous prime is 38647869917. The next prime is 38647870061. The reversal of 38647869983 is 38996874683.

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-38647869983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38647869283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100123823 + ... + 100124208.

It is an arithmetic number, because the mean of its divisors is an integer number (9712029552).

Almost surely, 2^38647869983 is an apocalyptic number.

38647869983 is a deficient number, since it is larger than the sum of its proper divisors (200248225).

38647869983 is a wasteful number, since it uses less digits than its factorization.

38647869983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200248224.

The product of its digits is 376233984, while the sum is 71.

The spelling of 38647869983 in words is "thirty-eight billion, six hundred forty-seven million, eight hundred sixty-nine thousand, nine hundred eighty-three".