129617293601 has 2 divisors, whose sum is σ = 129617293602. Its totient is φ = 129617293600.

The previous prime is 129617293573. The next prime is 129617293613. The reversal of 129617293601 is 106392716921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129528010000 + 89283601 = 359900^2 + 9449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129617293601 is a prime.

It is not a weakly prime, because it can be changed into another prime (129617293301) 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, 64808646800 + 64808646801.

It is an arithmetic number, because the mean of its divisors is an integer number (64808646801).

Almost surely, 2^129617293601 is an apocalyptic number.

It is an amenable number.

129617293601 is a deficient number, since it is larger than the sum of its proper divisors (1).

129617293601 is an equidigital number, since it uses as much as digits as its factorization.

129617293601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 129617293601 in words is "one hundred twenty-nine billion, six hundred seventeen million, two hundred ninety-three thousand, six hundred one".