127349866123673 has 2 divisors, whose sum is σ = 127349866123674. Its totient is φ = 127349866123672.

The previous prime is 127349866123663. The next prime is 127349866123699. The reversal of 127349866123673 is 376321668943721.

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., 126908155683904 + 441710439769 = 11265352^2 + 664613^2 .

It is a cyclic number.

It is not a de Polignac number, because 127349866123673 - 2⁴ = 127349866123657 is a prime.

It is not a weakly prime, because it can be changed into another prime (127349866123633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63674933061836 + 63674933061837.

It is an arithmetic number, because the mean of its divisors is an integer number (63674933061837).

Almost surely, 2^{127349866123673} is an apocalyptic number.

It is an amenable number.

127349866123673 is a deficient number, since it is larger than the sum of its proper divisors (1).

127349866123673 is an equidigital number, since it uses as much as digits as its factorization.

127349866123673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329204736, while the sum is 68.

The spelling of 127349866123673 in words is "one hundred twenty-seven trillion, three hundred forty-nine billion, eight hundred sixty-six million, one hundred twenty-three thousand, six hundred seventy-three".