29997957426163 has 2 divisors, whose sum is σ = 29997957426164. Its totient is φ = 29997957426162.

The previous prime is 29997957426161. The next prime is 29997957426169. The reversal of 29997957426163 is 36162475979992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29997957426163 - 2¹ = 29997957426161 is a prime.

Together with 29997957426161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (29997957426161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14998978713081 + 14998978713082.

It is an arithmetic number, because the mean of its divisors is an integer number (14998978713082).

Almost surely, 2^{29997957426163} is an apocalyptic number.

29997957426163 is a deficient number, since it is larger than the sum of its proper divisors (1).

29997957426163 is an equidigital number, since it uses as much as digits as its factorization.

29997957426163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2777664960, while the sum is 79.

The spelling of 29997957426163 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred fifty-seven million, four hundred twenty-six thousand, one hundred sixty-three".