29955684868913 has 2 divisors, whose sum is σ = 29955684868914. Its totient is φ = 29955684868912.

The previous prime is 29955684868891. The next prime is 29955684868961. The reversal of 29955684868913 is 31986848655992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29419960416289 + 535724452624 = 5424017^2 + 731932^2 .

It is a cyclic number.

It is not a de Polignac number, because 29955684868913 - 2¹⁴ = 29955684852529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (29955684868013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14977842434456 + 14977842434457.

It is an arithmetic number, because the mean of its divisors is an integer number (14977842434457).

Almost surely, 2^{29955684868913} is an apocalyptic number.

It is an amenable number.

29955684868913 is a deficient number, since it is larger than the sum of its proper divisors (1).

29955684868913 is an equidigital number, since it uses as much as digits as its factorization.

29955684868913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8062156800, while the sum is 83.

The spelling of 29955684868913 in words is "twenty-nine trillion, nine hundred fifty-five billion, six hundred eighty-four million, eight hundred sixty-eight thousand, nine hundred thirteen".