13429769639971 has 2 divisors, whose sum is σ = 13429769639972. Its totient is φ = 13429769639970.

The previous prime is 13429769639917. The next prime is 13429769639977. The reversal of 13429769639971 is 17993696792431.

Together with previous prime (13429769639917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13429769639971 - 2¹⁵ = 13429769607203 is a prime.

It is not a weakly prime, because it can be changed into another prime (13429769639977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6714884819985 + 6714884819986.

It is an arithmetic number, because the mean of its divisors is an integer number (6714884819986).

Almost surely, 2^{13429769639971} is an apocalyptic number.

13429769639971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13429769639971 is an equidigital number, since it uses as much as digits as its factorization.

13429769639971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 833299488, while the sum is 76.

The spelling of 13429769639971 in words is "thirteen trillion, four hundred twenty-nine billion, seven hundred sixty-nine million, six hundred thirty-nine thousand, nine hundred seventy-one".