29243021205 has 16 divisors (see below), whose sum is σ = 46823094144. Its totient is φ = 15584857920.

The previous prime is 29243021113. The next prime is 29243021207. The reversal of 29243021205 is 50212034292.

It is not a de Polignac number, because 29243021205 - 2⁹ = 29243020693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29243021207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692566 + ... + 733575.

It is an arithmetic number, because the mean of its divisors is an integer number (2926443384).

Almost surely, 2^29243021205 is an apocalyptic number.

It is an amenable number.

29243021205 is a deficient number, since it is larger than the sum of its proper divisors (17580072939).

29243021205 is a wasteful number, since it uses less digits than its factorization.

29243021205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427516.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 29243021205 its reverse (50212034292), we get a palindrome (79455055497).

The spelling of 29243021205 in words is "twenty-nine billion, two hundred forty-three million, twenty-one thousand, two hundred five".