29898968860 has 48 divisors (see below), whose sum is σ = 66272855040. Its totient is φ = 11299210560.

The previous prime is 29898968849. The next prime is 29898968861. The reversal of 29898968860 is 6886989892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29898968861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32265 + ... + 246655.

It is an arithmetic number, because the mean of its divisors is an integer number (1380684480).

Almost surely, 2^29898968860 is an apocalyptic number.

29898968860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29898968860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33136427520).

29898968860 is an abundant number, since it is smaller than the sum of its proper divisors (36373886180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29898968860 is a wasteful number, since it uses less digits than its factorization.

29898968860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214786 (or 214784 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 73.

The spelling of 29898968860 in words is "twenty-nine billion, eight hundred ninety-eight million, nine hundred sixty-eight thousand, eight hundred sixty".