38849320861 has 8 divisors (see below), whose sum is σ = 43656762240. Its totient is φ = 34301741232.

The previous prime is 38849320817. The next prime is 38849320879. The reversal of 38849320861 is 16802394883.

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 38849320861 - 2¹³ = 38849312669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38849320799 and 38849320808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38849320061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64965121 + ... + 64965718.

It is an arithmetic number, because the mean of its divisors is an integer number (5457095280).

Almost surely, 2^38849320861 is an apocalyptic number.

It is an amenable number.

38849320861 is a deficient number, since it is larger than the sum of its proper divisors (4807441379).

38849320861 is a wasteful number, since it uses less digits than its factorization.

38849320861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129930875.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 38849320861 in words is "thirty-eight billion, eight hundred forty-nine million, three hundred twenty thousand, eight hundred sixty-one".