29818900443 has 8 divisors (see below), whose sum is σ = 40683151168. Its totient is φ = 19416958344.

The previous prime is 29818900429. The next prime is 29818900511. The reversal of 29818900443 is 34400981892.

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

It is not a de Polignac number, because 29818900443 - 2⁴ = 29818900427 is a prime.

It is the 172682-nd Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29818900392 and 29818900401.

It is not an unprimeable number, because it can be changed into a prime (29818900043) by changing a digit.

It is a nontrivial repunit in base 172681.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115577005 + ... + 115577262.

It is an arithmetic number, because the mean of its divisors is an integer number (5085393896).

Almost surely, 2^29818900443 is an apocalyptic number.

29818900443 is a deficient number, since it is larger than the sum of its proper divisors (10864250725).

29818900443 is a wasteful number, since it uses less digits than its factorization.

29818900443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231154313.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 29818900443 in words is "twenty-nine billion, eight hundred eighteen million, nine hundred thousand, four hundred forty-three".