29797055038189 has 4 divisors (see below), whose sum is σ = 29797110240700. Its totient is φ = 29796999835680.

The previous prime is 29797055038159. The next prime is 29797055038193. The reversal of 29797055038189 is 98183055079792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23711543302500 + 6085511735689 = 4869450^2 + 2466883^2 .

It is a cyclic number.

It is not a de Polignac number, because 29797055038189 - 2⁹ = 29797055037677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29797055038159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26783514 + ... + 27873835.

It is an arithmetic number, because the mean of its divisors is an integer number (7449277560175).

Almost surely, 2^{29797055038189} is an apocalyptic number.

It is an amenable number.

29797055038189 is a deficient number, since it is larger than the sum of its proper divisors (55202511).

29797055038189 is an equidigital number, since it uses as much as digits as its factorization.

29797055038189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55202510.

The product of its (nonzero) digits is 342921600, while the sum is 73.

The spelling of 29797055038189 in words is "twenty-nine trillion, seven hundred ninety-seven billion, fifty-five million, thirty-eight thousand, one hundred eighty-nine".