29621333138 has 8 divisors (see below), whose sum is σ = 44432831232. Its totient is φ = 14810389396.

The previous prime is 29621333101. The next prime is 29621333141. The reversal of 29621333138 is 83133312692.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 29621333095 and 29621333104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42131 + ... + 247017.

It is an arithmetic number, because the mean of its divisors is an integer number (5554103904).

Almost surely, 2^29621333138 is an apocalyptic number.

29621333138 is a deficient number, since it is larger than the sum of its proper divisors (14811498094).

29621333138 is a wasteful number, since it uses less digits than its factorization.

29621333138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277176.

The product of its digits is 139968, while the sum is 41.

The spelling of 29621333138 in words is "twenty-nine billion, six hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty-eight".