29729733149 has 16 divisors (see below), whose sum is σ = 30760384512. Its totient is φ = 28716000768.

The previous prime is 29729733113. The next prime is 29729733169. The reversal of 29729733149 is 94133792792.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29729733149 is a prime.

It is a super-2 number, since 2×29729733149² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29729733094 and 29729733103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29729733169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700597 + ... + 1717989.

It is an arithmetic number, because the mean of its divisors is an integer number (1922524032).

Almost surely, 2^29729733149 is an apocalyptic number.

It is an amenable number.

29729733149 is a deficient number, since it is larger than the sum of its proper divisors (1030651363).

29729733149 is a wasteful number, since it uses less digits than its factorization.

29729733149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876.

The product of its digits is 5143824, while the sum is 56.

The spelling of 29729733149 in words is "twenty-nine billion, seven hundred twenty-nine million, seven hundred thirty-three thousand, one hundred forty-nine".