38969889771 has 8 divisors (see below), whose sum is σ = 51964766784. Its totient is φ = 25977469640.

The previous prime is 38969889737. The next prime is 38969889799. The reversal of 38969889771 is 17798896983.

38969889771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38969889771 - 2¹³ = 38969881579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38969889693 and 38969889702.

It is not an unprimeable number, because it can be changed into a prime (38969889071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576885 + ... + 640886.

It is an arithmetic number, because the mean of its divisors is an integer number (6495595848).

Almost surely, 2^38969889771 is an apocalyptic number.

38969889771 is a deficient number, since it is larger than the sum of its proper divisors (12994877013).

38969889771 is a wasteful number, since it uses less digits than its factorization.

38969889771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228441.

The product of its digits is 329204736, while the sum is 75.

The spelling of 38969889771 in words is "thirty-eight billion, nine hundred sixty-nine million, eight hundred eighty-nine thousand, seven hundred seventy-one".