29229921238 has 16 divisors (see below), whose sum is σ = 50576742144. Its totient is φ = 12410032680.

The previous prime is 29229921221. The next prime is 29229921239. The reversal of 29229921238 is 83212992292.

It is a junction number, because it is equal to n+sod(n) for n = 29229921191 and 29229921200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29229921239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9754818 + ... + 9757813.

It is an arithmetic number, because the mean of its divisors is an integer number (3161046384).

Almost surely, 2^29229921238 is an apocalyptic number.

29229921238 is a deficient number, since it is larger than the sum of its proper divisors (21346820906).

29229921238 is a wasteful number, since it uses less digits than its factorization.

29229921238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19512747.

The product of its digits is 559872, while the sum is 49.

The spelling of 29229921238 in words is "twenty-nine billion, two hundred twenty-nine million, nine hundred twenty-one thousand, two hundred thirty-eight".