38712173549 has 8 divisors (see below), whose sum is σ = 45183813888. Its totient is φ = 32475865680.

The previous prime is 38712173501. The next prime is 38712173623. The reversal of 38712173549 is 94537121783.

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 38712173549 - 2²⁰ = 38711124973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38712173497 and 38712173506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38712179549) 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, 58832762 + ... + 58833419.

It is an arithmetic number, because the mean of its divisors is an integer number (5647976736).

Almost surely, 2^38712173549 is an apocalyptic number.

It is an amenable number.

38712173549 is a deficient number, since it is larger than the sum of its proper divisors (6471640339).

38712173549 is a wasteful number, since it uses less digits than its factorization.

38712173549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117666235.

The product of its digits is 1270080, while the sum is 50.

The spelling of 38712173549 in words is "thirty-eight billion, seven hundred twelve million, one hundred seventy-three thousand, five hundred forty-nine".