29798027667143 has 2 divisors, whose sum is σ = 29798027667144. Its totient is φ = 29798027667142.

The previous prime is 29798027667131. The next prime is 29798027667157. The reversal of 29798027667143 is 34176672089792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29798027667143 - 2³² = 29793732699847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29798027667643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14899013833571 + 14899013833572.

It is an arithmetic number, because the mean of its divisors is an integer number (14899013833572).

Almost surely, 2^{29798027667143} is an apocalyptic number.

29798027667143 is a deficient number, since it is larger than the sum of its proper divisors (1).

29798027667143 is an equidigital number, since it uses as much as digits as its factorization.

29798027667143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384072192, while the sum is 71.

The spelling of 29798027667143 in words is "twenty-nine trillion, seven hundred ninety-eight billion, twenty-seven million, six hundred sixty-seven thousand, one hundred forty-three".