38455663684337 has 2 divisors, whose sum is σ = 38455663684338. Its totient is φ = 38455663684336.

The previous prime is 38455663684283. The next prime is 38455663684589. The reversal of 38455663684337 is 73348636655483.

38455663684337 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21555211132081 + 16900452552256 = 4642759^2 + 4111016^2 .

It is a cyclic number.

It is not a de Polignac number, because 38455663684337 - 2¹⁰ = 38455663683313 is a prime.

It is not a weakly prime, because it can be changed into another prime (38455663684937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19227831842168 + 19227831842169.

It is an arithmetic number, because the mean of its divisors is an integer number (19227831842169).

Almost surely, 2^{38455663684337} is an apocalyptic number.

It is an amenable number.

38455663684337 is a deficient number, since it is larger than the sum of its proper divisors (1).

38455663684337 is an equidigital number, since it uses as much as digits as its factorization.

38455663684337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3135283200, while the sum is 71.

The spelling of 38455663684337 in words is "thirty-eight trillion, four hundred fifty-five billion, six hundred sixty-three million, six hundred eighty-four thousand, three hundred thirty-seven".