127613677493 has 2 divisors, whose sum is σ = 127613677494. Its totient is φ = 127613677492.

The previous prime is 127613677421. The next prime is 127613677547. The reversal of 127613677493 is 394776316721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124632299089 + 2981378404 = 353033^2 + 54602^2 .

It is a cyclic number.

It is not a de Polignac number, because 127613677493 - 2¹⁰ = 127613676469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127613677993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63806838746 + 63806838747.

It is an arithmetic number, because the mean of its divisors is an integer number (63806838747).

Almost surely, 2^127613677493 is an apocalyptic number.

It is an amenable number.

127613677493 is a deficient number, since it is larger than the sum of its proper divisors (1).

127613677493 is an equidigital number, since it uses as much as digits as its factorization.

127613677493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 56.

The spelling of 127613677493 in words is "one hundred twenty-seven billion, six hundred thirteen million, six hundred seventy-seven thousand, four hundred ninety-three".