38338698865 has 8 divisors (see below), whose sum is σ = 46007493480. Its totient is φ = 30670255872.

The previous prime is 38338698857. The next prime is 38338698869. The reversal of 38338698865 is 56889683383.

38338698865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3275387361 + 35063311504 = 57231^2 + 187252^2 .

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 38338698865 - 2³ = 38338698857 is a prime.

It is a super-2 number, since 2×38338698865² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38338698865.

It is not an unprimeable number, because it can be changed into a prime (38338698869) 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, 353247 + ... + 448843.

It is an arithmetic number, because the mean of its divisors is an integer number (5750936685).

Almost surely, 2^38338698865 is an apocalyptic number.

It is an amenable number.

38338698865 is a deficient number, since it is larger than the sum of its proper divisors (7668794615).

38338698865 is an equidigital number, since it uses as much as digits as its factorization.

38338698865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175811.

The product of its digits is 179159040, while the sum is 67.

The spelling of 38338698865 in words is "thirty-eight billion, three hundred thirty-eight million, six hundred ninety-eight thousand, eight hundred sixty-five".