29384442218 has 32 divisors (see below), whose sum is σ = 45851005200. Its totient is φ = 14111760384.

The previous prime is 29384442173. The next prime is 29384442221. The reversal of 29384442218 is 81224448392.

It can be written as a sum of positive squares in 8 ways, for example, as 29368705129 + 15737089 = 171373^2 + 3967^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2930798 + ... + 2940806.

Almost surely, 2^29384442218 is an apocalyptic number.

29384442218 is a deficient number, since it is larger than the sum of its proper divisors (16466562982).

29384442218 is a wasteful number, since it uses less digits than its factorization.

29384442218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554.

The product of its digits is 884736, while the sum is 47.

The spelling of 29384442218 in words is "twenty-nine billion, three hundred eighty-four million, four hundred forty-two thousand, two hundred eighteen".