38800866649 has 8 divisors (see below), whose sum is σ = 39277110600. Its totient is φ = 38327500800.

The previous prime is 38800866539. The next prime is 38800866653. The reversal of 38800866649 is 94666800883.

It can be written as a sum of positive squares in 4 ways, for example, as 382906624 + 38417960025 = 19568^2 + 196005^2 .

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 38800866649 - 2²¹ = 38798769497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38800866593 and 38800866602.

It is not an unprimeable number, because it can be changed into a prime (38800860649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692392 + ... + 746329.

It is an arithmetic number, because the mean of its divisors is an integer number (4909638825).

Almost surely, 2^38800866649 is an apocalyptic number.

It is an amenable number.

38800866649 is a deficient number, since it is larger than the sum of its proper divisors (476243951).

38800866649 is a wasteful number, since it uses less digits than its factorization.

38800866649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439051.

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 38800866649 in words is "thirty-eight billion, eight hundred million, eight hundred sixty-six thousand, six hundred forty-nine".