138868804760443 has 2 divisors, whose sum is σ = 138868804760444. Its totient is φ = 138868804760442.

The previous prime is 138868804760359. The next prime is 138868804760453. The reversal of 138868804760443 is 344067408868831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138868804760443 - 2¹⁷ = 138868804629371 is a prime.

It is not a weakly prime, because it can be changed into another prime (138868804760453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69434402380221 + 69434402380222.

It is an arithmetic number, because the mean of its divisors is an integer number (69434402380222).

Almost surely, 2^{138868804760443} is an apocalyptic number.

138868804760443 is a deficient number, since it is larger than the sum of its proper divisors (1).

138868804760443 is an equidigital number, since it uses as much as digits as its factorization.

138868804760443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 594542592, while the sum is 70.

The spelling of 138868804760443 in words is "one hundred thirty-eight trillion, eight hundred sixty-eight billion, eight hundred four million, seven hundred sixty thousand, four hundred forty-three".