127609793093 has 2 divisors, whose sum is σ = 127609793094. Its totient is φ = 127609793092.

The previous prime is 127609793083. The next prime is 127609793111. The reversal of 127609793093 is 390397906721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95188909729 + 32420883364 = 308527^2 + 180058^2 .

It is an emirp because it is prime and its reverse (390397906721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127609793093 - 2¹² = 127609788997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127609793053) 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, 63804896546 + 63804896547.

It is an arithmetic number, because the mean of its divisors is an integer number (63804896547).

Almost surely, 2^127609793093 is an apocalyptic number.

It is an amenable number.

127609793093 is a deficient number, since it is larger than the sum of its proper divisors (1).

127609793093 is an equidigital number, since it uses as much as digits as its factorization.

127609793093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 56.

The spelling of 127609793093 in words is "one hundred twenty-seven billion, six hundred nine million, seven hundred ninety-three thousand, ninety-three".