38365381858247 has 2 divisors, whose sum is σ = 38365381858248. Its totient is φ = 38365381858246.

The previous prime is 38365381858229. The next prime is 38365381858277. The reversal of 38365381858247 is 74285818356383.

38365381858247 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 is a cyclic number.

It is not a de Polignac number, because 38365381858247 - 2⁶ = 38365381858183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38365381858217) 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, 19182690929123 + 19182690929124.

It is an arithmetic number, because the mean of its divisors is an integer number (19182690929124).

Almost surely, 2^{38365381858247} is an apocalyptic number.

38365381858247 is a deficient number, since it is larger than the sum of its proper divisors (1).

38365381858247 is an equidigital number, since it uses as much as digits as its factorization.

38365381858247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 928972800, while the sum is 71.

The spelling of 38365381858247 in words is "thirty-eight trillion, three hundred sixty-five billion, three hundred eighty-one million, eight hundred fifty-eight thousand, two hundred forty-seven".