29820144332159 has 12 divisors (see below), whose sum is σ = 30272801885424. Its totient is φ = 29374157507904.

The previous prime is 29820144332149. The next prime is 29820144332161. The reversal of 29820144332159 is 95123344102892.

It is not a de Polignac number, because 29820144332159 - 2¹² = 29820144328063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29820144332159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29820144332119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179867687 + ... + 180033399.

It is an arithmetic number, because the mean of its divisors is an integer number (2522733490452).

Almost surely, 2^{29820144332159} is an apocalyptic number.

29820144332159 is a deficient number, since it is larger than the sum of its proper divisors (452657553265).

29820144332159 is an equidigital number, since it uses as much as digits as its factorization.

29820144332159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205934 (or 205867 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 29820144332159 in words is "twenty-nine trillion, eight hundred twenty billion, one hundred forty-four million, three hundred thirty-two thousand, one hundred fifty-nine".