127393982539 has 2 divisors, whose sum is σ = 127393982540. Its totient is φ = 127393982538.

The previous prime is 127393982489. The next prime is 127393982567. The reversal of 127393982539 is 935289393721.

It is a strong prime.

It is an emirp because it is prime and its reverse (935289393721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127393982539 - 2⁷ = 127393982411 is a prime.

It is not a weakly prime, because it can be changed into another prime (127393982839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63696991269 + 63696991270.

It is an arithmetic number, because the mean of its divisors is an integer number (63696991270).

Almost surely, 2^127393982539 is an apocalyptic number.

127393982539 is a deficient number, since it is larger than the sum of its proper divisors (1).

127393982539 is an equidigital number, since it uses as much as digits as its factorization.

127393982539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22044960, while the sum is 61.

The spelling of 127393982539 in words is "one hundred twenty-seven billion, three hundred ninety-three million, nine hundred eighty-two thousand, five hundred thirty-nine".