127419438064439 has 2 divisors, whose sum is σ = 127419438064440. Its totient is φ = 127419438064438.

The previous prime is 127419438064433. The next prime is 127419438064637. The reversal of 127419438064439 is 934460834914721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127419438064439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127419438064433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63709719032219 + 63709719032220.

It is an arithmetic number, because the mean of its divisors is an integer number (63709719032220).

Almost surely, 2^{127419438064439} is an apocalyptic number.

127419438064439 is a deficient number, since it is larger than the sum of its proper divisors (1).

127419438064439 is an equidigital number, since it uses as much as digits as its factorization.

127419438064439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 127419438064439 in words is "one hundred twenty-seven trillion, four hundred nineteen billion, four hundred thirty-eight million, sixty-four thousand, four hundred thirty-nine".