38789202681 has 6 divisors (see below), whose sum is σ = 56028848330. Its totient is φ = 25859468448.

The previous prime is 38789202671. The next prime is 38789202701. The reversal of 38789202681 is 18620298783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19400032656 + 19389170025 = 139284^2 + 139245^2 .

It is not a de Polignac number, because 38789202681 - 2¹⁷ = 38789071609 is a prime.

It is a super-2 number, since 2×38789202681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38789202671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2154955696 + ... + 2154955713.

Almost surely, 2^38789202681 is an apocalyptic number.

It is an amenable number.

38789202681 is a deficient number, since it is larger than the sum of its proper divisors (17239645649).

38789202681 is a wasteful number, since it uses less digits than its factorization.

38789202681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309911415 (or 4309911412 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 38789202681 in words is "thirty-eight billion, seven hundred eighty-nine million, two hundred two thousand, six hundred eighty-one".