127870052841569 has 2 divisors, whose sum is σ = 127870052841570. Its totient is φ = 127870052841568.

The previous prime is 127870052841523. The next prime is 127870052841571. The reversal of 127870052841569 is 965148250078721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108417657264400 + 19452395577169 = 10412380^2 + 4410487^2 .

It is a cyclic number.

It is not a de Polignac number, because 127870052841569 - 2⁸ = 127870052841313 is a prime.

It is a super-2 number, since 2×127870052841569² (a number of 29 digits) contains 22 as substring.

Together with 127870052841571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127870052843569) 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, 63935026420784 + 63935026420785.

It is an arithmetic number, because the mean of its divisors is an integer number (63935026420785).

Almost surely, 2^{127870052841569} is an apocalyptic number.

It is an amenable number.

127870052841569 is a deficient number, since it is larger than the sum of its proper divisors (1).

127870052841569 is an equidigital number, since it uses as much as digits as its factorization.

127870052841569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67737600, while the sum is 65.

The spelling of 127870052841569 in words is "one hundred twenty-seven trillion, eight hundred seventy billion, fifty-two million, eight hundred forty-one thousand, five hundred sixty-nine".