38501466742439 has 2 divisors, whose sum is σ = 38501466742440. Its totient is φ = 38501466742438.

The previous prime is 38501466742391. The next prime is 38501466742477. The reversal of 38501466742439 is 93424766410583.

It is a happy number.

38501466742439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38501466742439 - 2¹⁶ = 38501466676903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38501466742139) 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, 19250733371219 + 19250733371220.

It is an arithmetic number, because the mean of its divisors is an integer number (19250733371220).

It is a 1-persistent number, because it is pandigital, but 2⋅38501466742439 = 77002933484878 is not.

Almost surely, 2^{38501466742439} is an apocalyptic number.

38501466742439 is a deficient number, since it is larger than the sum of its proper divisors (1).

38501466742439 is an equidigital number, since it uses as much as digits as its factorization.

38501466742439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 62.

The spelling of 38501466742439 in words is "thirty-eight trillion, five hundred one billion, four hundred sixty-six million, seven hundred forty-two thousand, four hundred thirty-nine".