38944632039 has 4 divisors (see below), whose sum is σ = 51926176056. Its totient is φ = 25963088024.

The previous prime is 38944632029. The next prime is 38944632061. The reversal of 38944632039 is 93023644983.

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

It is a cyclic number.

It is not a de Polignac number, because 38944632039 - 2¹⁵ = 38944599271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38944631982 and 38944632000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38944632029) 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, 6490772004 + ... + 6490772009.

It is an arithmetic number, because the mean of its divisors is an integer number (12981544014).

Almost surely, 2^38944632039 is an apocalyptic number.

38944632039 is a deficient number, since it is larger than the sum of its proper divisors (12981544017).

38944632039 is a wasteful number, since it uses less digits than its factorization.

38944632039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12981544016.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 38944632039 in words is "thirty-eight billion, nine hundred forty-four million, six hundred thirty-two thousand, thirty-nine".