127346407549 has 2 divisors, whose sum is σ = 127346407550. Its totient is φ = 127346407548.

The previous prime is 127346407547. The next prime is 127346407619. The reversal of 127346407549 is 945704643721.

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., 105158815524 + 22187592025 = 324282^2 + 148955^2 .

It is a cyclic number.

It is not a de Polignac number, because 127346407549 - 2¹ = 127346407547 is a prime.

Together with 127346407547, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 127346407496 and 127346407505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127346407541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63673203774 + 63673203775.

It is an arithmetic number, because the mean of its divisors is an integer number (63673203775).

Almost surely, 2^127346407549 is an apocalyptic number.

It is an amenable number.

127346407549 is a deficient number, since it is larger than the sum of its proper divisors (1).

127346407549 is an equidigital number, since it uses as much as digits as its factorization.

127346407549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 127346407549 in words is "one hundred twenty-seven billion, three hundred forty-six million, four hundred seven thousand, five hundred forty-nine".