127183646497 has 2 divisors, whose sum is σ = 127183646498. Its totient is φ = 127183646496.

The previous prime is 127183646483. The next prime is 127183646521. The reversal of 127183646497 is 794646381721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73073443041 + 54110203456 = 270321^2 + 232616^2 .

It is a cyclic number.

It is not a de Polignac number, because 127183646497 - 2¹¹ = 127183644449 is a prime.

It is not a weakly prime, because it can be changed into another prime (127183656497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63591823248 + 63591823249.

It is an arithmetic number, because the mean of its divisors is an integer number (63591823249).

Almost surely, 2^127183646497 is an apocalyptic number.

It is an amenable number.

127183646497 is a deficient number, since it is larger than the sum of its proper divisors (1).

127183646497 is an equidigital number, since it uses as much as digits as its factorization.

127183646497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 58.

The spelling of 127183646497 in words is "one hundred twenty-seven billion, one hundred eighty-three million, six hundred forty-six thousand, four hundred ninety-seven".