38849021927 has 4 divisors (see below), whose sum is σ = 38865326880. Its totient is φ = 38832716976.

The previous prime is 38849021923. The next prime is 38849021969. The reversal of 38849021927 is 72912094883.

38849021927 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, and also an emirpimes, since its reverse is a distinct semiprime: 72912094883 = 37 ⋅1970597159.

It is a cyclic number.

It is not a de Polignac number, because 38849021927 - 2² = 38849021923 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 (38849021923) 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, 8148902 + ... + 8153667.

It is an arithmetic number, because the mean of its divisors is an integer number (9716331720).

Almost surely, 2^38849021927 is an apocalyptic number.

38849021927 is a deficient number, since it is larger than the sum of its proper divisors (16304953).

38849021927 is a wasteful number, since it uses less digits than its factorization.

38849021927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304952.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 38849021927 in words is "thirty-eight billion, eight hundred forty-nine million, twenty-one thousand, nine hundred twenty-seven".