38758072289 has 2 divisors, whose sum is σ = 38758072290. Its totient is φ = 38758072288.

The previous prime is 38758072273. The next prime is 38758072333. The reversal of 38758072289 is 98227085783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38626006225 + 132066064 = 196535^2 + 11492^2 .

It is a cyclic number.

It is not a de Polignac number, because 38758072289 - 2⁴ = 38758072273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38758072259) 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 as a sum of consecutive naturals, namely, 19379036144 + 19379036145.

It is an arithmetic number, because the mean of its divisors is an integer number (19379036145).

Almost surely, 2^38758072289 is an apocalyptic number.

It is an amenable number.

38758072289 is a deficient number, since it is larger than the sum of its proper divisors (1).

38758072289 is an equidigital number, since it uses as much as digits as its factorization.

38758072289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 38758072289 in words is "thirty-eight billion, seven hundred fifty-eight million, seventy-two thousand, two hundred eighty-nine".