127342646273 has 2 divisors, whose sum is σ = 127342646274. Its totient is φ = 127342646272.

The previous prime is 127342646261. The next prime is 127342646287. The reversal of 127342646273 is 372646243721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95262970609 + 32079675664 = 308647^2 + 179108^2 .

It is a cyclic number.

It is not a de Polignac number, because 127342646273 - 2²⁰ = 127341597697 is a prime.

It is a super-2 number, since 2×127342646273² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127342646573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63671323136 + 63671323137.

It is an arithmetic number, because the mean of its divisors is an integer number (63671323137).

Almost surely, 2^127342646273 is an apocalyptic number.

It is an amenable number.

127342646273 is a deficient number, since it is larger than the sum of its proper divisors (1).

127342646273 is an equidigital number, since it uses as much as digits as its factorization.

127342646273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 47.

Adding to 127342646273 its reverse (372646243721), we get a palindrome (499988889994).

The spelling of 127342646273 in words is "one hundred twenty-seven billion, three hundred forty-two million, six hundred forty-six thousand, two hundred seventy-three".