29308316914991 has 2 divisors, whose sum is σ = 29308316914992. Its totient is φ = 29308316914990.

The previous prime is 29308316914957. The next prime is 29308316914997. The reversal of 29308316914991 is 19941961380392.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29308316914991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29308316914997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14654158457495 + 14654158457496.

It is an arithmetic number, because the mean of its divisors is an integer number (14654158457496).

Almost surely, 2^{29308316914991} is an apocalyptic number.

29308316914991 is a deficient number, since it is larger than the sum of its proper divisors (1).

29308316914991 is an equidigital number, since it uses as much as digits as its factorization.

29308316914991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22674816, while the sum is 65.

The spelling of 29308316914991 in words is "twenty-nine trillion, three hundred eight billion, three hundred sixteen million, nine hundred fourteen thousand, nine hundred ninety-one".