29868968493253 has 2 divisors, whose sum is σ = 29868968493254. Its totient is φ = 29868968493252.

The previous prime is 29868968492983. The next prime is 29868968493281. The reversal of 29868968493253 is 35239486986892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19862014449124 + 10006954044129 = 4456682^2 + 3163377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29868968493253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29868968493853) 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, 14934484246626 + 14934484246627.

It is an arithmetic number, because the mean of its divisors is an integer number (14934484246627).

Almost surely, 2^{29868968493253} is an apocalyptic number.

It is an amenable number.

29868968493253 is a deficient number, since it is larger than the sum of its proper divisors (1).

29868968493253 is an equidigital number, since it uses as much as digits as its factorization.

29868968493253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9674588160, while the sum is 82.

The spelling of 29868968493253 in words is "twenty-nine trillion, eight hundred sixty-eight billion, nine hundred sixty-eight million, four hundred ninety-three thousand, two hundred fifty-three".