38816889863329 has 16 divisors (see below), whose sum is σ = 40600660391424. Its totient is φ = 37041136704000.

The previous prime is 38816889863321. The next prime is 38816889863357. The reversal of 38816889863329 is 92336898861883.

It is a cyclic number.

It is not a de Polignac number, because 38816889863329 - 2³ = 38816889863321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38816889863321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171490429 + ... + 171716629.

It is an arithmetic number, because the mean of its divisors is an integer number (2537541274464).

Almost surely, 2^{38816889863329} is an apocalyptic number.

It is an amenable number.

38816889863329 is a deficient number, since it is larger than the sum of its proper divisors (1783770528095).

38816889863329 is a wasteful number, since it uses less digits than its factorization.

38816889863329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243888.

The product of its digits is 5159780352, while the sum is 82.

The spelling of 38816889863329 in words is "thirty-eight trillion, eight hundred sixteen billion, eight hundred eighty-nine million, eight hundred sixty-three thousand, three hundred twenty-nine".