29127458197 has 2 divisors, whose sum is σ = 29127458198. Its totient is φ = 29127458196.

The previous prime is 29127458189. The next prime is 29127458203. The reversal of 29127458197 is 79185472192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18524843236 + 10602614961 = 136106^2 + 102969^2 .

It is a cyclic number.

It is not a de Polignac number, because 29127458197 - 2³ = 29127458189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29127458137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14563729098 + 14563729099.

It is an arithmetic number, because the mean of its divisors is an integer number (14563729099).

Almost surely, 2^29127458197 is an apocalyptic number.

It is an amenable number.

29127458197 is a deficient number, since it is larger than the sum of its proper divisors (1).

29127458197 is an equidigital number, since it uses as much as digits as its factorization.

29127458197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 55.

The spelling of 29127458197 in words is "twenty-nine billion, one hundred twenty-seven million, four hundred fifty-eight thousand, one hundred ninety-seven".