127468544249 has 2 divisors, whose sum is σ = 127468544250. Its totient is φ = 127468544248.

The previous prime is 127468544173. The next prime is 127468544251. The reversal of 127468544249 is 942445864721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115331556025 + 12136988224 = 339605^2 + 110168^2 .

It is a cyclic number.

It is not a de Polignac number, because 127468544249 - 2²⁸ = 127200108793 is a prime.

Together with 127468544251, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127468544194 and 127468544203.

It is not a weakly prime, because it can be changed into another prime (127468544279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63734272124 + 63734272125.

It is an arithmetic number, because the mean of its divisors is an integer number (63734272125).

Almost surely, 2^127468544249 is an apocalyptic number.

It is an amenable number.

127468544249 is a deficient number, since it is larger than the sum of its proper divisors (1).

127468544249 is an equidigital number, since it uses as much as digits as its factorization.

127468544249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15482880, while the sum is 56.

The spelling of 127468544249 in words is "one hundred twenty-seven billion, four hundred sixty-eight million, five hundred forty-four thousand, two hundred forty-nine".