127942679429 has 2 divisors, whose sum is σ = 127942679430. Its totient is φ = 127942679428.

The previous prime is 127942679323. The next prime is 127942679441. The reversal of 127942679429 is 924976249721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103034580100 + 24908099329 = 320990^2 + 157823^2 .

It is a cyclic number.

It is not a de Polignac number, because 127942679429 - 2⁸ = 127942679173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127942679729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63971339714 + 63971339715.

It is an arithmetic number, because the mean of its divisors is an integer number (63971339715).

Almost surely, 2^127942679429 is an apocalyptic number.

It is an amenable number.

127942679429 is a deficient number, since it is larger than the sum of its proper divisors (1).

127942679429 is an equidigital number, since it uses as much as digits as its factorization.

127942679429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 62.

The spelling of 127942679429 in words is "one hundred twenty-seven billion, nine hundred forty-two million, six hundred seventy-nine thousand, four hundred twenty-nine".