38714631317209 has 2 divisors, whose sum is σ = 38714631317210. Its totient is φ = 38714631317208.

The previous prime is 38714631317177. The next prime is 38714631317293. The reversal of 38714631317209 is 90271313641783.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30315375283600 + 8399256033609 = 5505940^2 + 2898147^2 .

It is a cyclic number.

It is not a de Polignac number, because 38714631317209 - 2⁵ = 38714631317177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38714631317209.

It is not a weakly prime, because it can be changed into another prime (38714631317009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19357315658604 + 19357315658605.

It is an arithmetic number, because the mean of its divisors is an integer number (19357315658605).

Almost surely, 2^{38714631317209} is an apocalyptic number.

It is an amenable number.

38714631317209 is a deficient number, since it is larger than the sum of its proper divisors (1).

38714631317209 is an equidigital number, since it uses as much as digits as its factorization.

38714631317209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 38714631317209 in words is "thirty-eight trillion, seven hundred fourteen billion, six hundred thirty-one million, three hundred seventeen thousand, two hundred nine".