38503863139 has 4 divisors (see below), whose sum is σ = 44004415024. Its totient is φ = 33003311256.

The previous prime is 38503863137. The next prime is 38503863143. The reversal of 38503863139 is 93136830583.

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 38503863139 - 2¹ = 38503863137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38503863092 and 38503863101.

It is not an unprimeable number, because it can be changed into a prime (38503863137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750275932 + ... + 2750275945.

It is an arithmetic number, because the mean of its divisors is an integer number (11001103756).

Almost surely, 2^38503863139 is an apocalyptic number.

38503863139 is a deficient number, since it is larger than the sum of its proper divisors (5500551885).

38503863139 is an equidigital number, since it uses as much as digits as its factorization.

38503863139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500551884.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 38503863139 in words is "thirty-eight billion, five hundred three million, eight hundred sixty-three thousand, one hundred thirty-nine".