138063583251947 has 2 divisors, whose sum is σ = 138063583251948. Its totient is φ = 138063583251946.

The previous prime is 138063583251943. The next prime is 138063583251949. The reversal of 138063583251947 is 749152385360831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138063583251947 - 2² = 138063583251943 is a prime.

Together with 138063583251949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138063583251943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69031791625973 + 69031791625974.

It is an arithmetic number, because the mean of its divisors is an integer number (69031791625974).

It is a 2-persistent number, because it is pandigital, and so is 2⋅138063583251947 = 276127166503894, but 3⋅138063583251947 = 414190749755841 is not.

Almost surely, 2^{138063583251947} is an apocalyptic number.

138063583251947 is a deficient number, since it is larger than the sum of its proper divisors (1).

138063583251947 is an equidigital number, since it uses as much as digits as its factorization.

138063583251947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130636800, while the sum is 65.

The spelling of 138063583251947 in words is "one hundred thirty-eight trillion, sixty-three billion, five hundred eighty-three million, two hundred fifty-one thousand, nine hundred forty-seven".