38638071559 has 4 divisors (see below), whose sum is σ = 38645010216. Its totient is φ = 38631132904.

The previous prime is 38638071557. The next prime is 38638071569. The reversal of 38638071559 is 95517083683.

38638071559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38638071559 - 2¹ = 38638071557 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 (38638071557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460969 + ... + 3472114.

It is an arithmetic number, because the mean of its divisors is an integer number (9661252554).

Almost surely, 2^38638071559 is an apocalyptic number.

38638071559 is a deficient number, since it is larger than the sum of its proper divisors (6938657).

38638071559 is an equidigital number, since it uses as much as digits as its factorization.

38638071559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938656.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 38638071559 in words is "thirty-eight billion, six hundred thirty-eight million, seventy-one thousand, five hundred fifty-nine".