129217339763 has 2 divisors, whose sum is σ = 129217339764. Its totient is φ = 129217339762.

The previous prime is 129217339709. The next prime is 129217339781. The reversal of 129217339763 is 367933712921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129217339763 is a prime.

It is not a weakly prime, because it can be changed into another prime (129217339703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64608669881 + 64608669882.

It is an arithmetic number, because the mean of its divisors is an integer number (64608669882).

Almost surely, 2^129217339763 is an apocalyptic number.

129217339763 is a deficient number, since it is larger than the sum of its proper divisors (1).

129217339763 is an equidigital number, since it uses as much as digits as its factorization.

129217339763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2571912, while the sum is 53.

The spelling of 129217339763 in words is "one hundred twenty-nine billion, two hundred seventeen million, three hundred thirty-nine thousand, seven hundred sixty-three".