138819573463 has 2 divisors, whose sum is σ = 138819573464. Its totient is φ = 138819573462.

The previous prime is 138819573449. The next prime is 138819573499. The reversal of 138819573463 is 364375918831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138819573463 - 2³³ = 130229638871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138819573398 and 138819573407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138819573163) 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, 69409786731 + 69409786732.

It is an arithmetic number, because the mean of its divisors is an integer number (69409786732).

Almost surely, 2^138819573463 is an apocalyptic number.

138819573463 is a deficient number, since it is larger than the sum of its proper divisors (1).

138819573463 is an equidigital number, since it uses as much as digits as its factorization.

138819573463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 58.

The spelling of 138819573463 in words is "one hundred thirty-eight billion, eight hundred nineteen million, five hundred seventy-three thousand, four hundred sixty-three".