29318899808 has 24 divisors (see below), whose sum is σ = 62969001480. Its totient is φ = 13326772480.

The previous prime is 29318899807. The next prime is 29318899811. The reversal of 29318899808 is 80899881392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29318899807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41645813 + ... + 41646516.

It is an arithmetic number, because the mean of its divisors is an integer number (2623708395).

Almost surely, 2^29318899808 is an apocalyptic number.

It is an amenable number.

29318899808 is an abundant number, since it is smaller than the sum of its proper divisors (33650101672).

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

29318899808 is a wasteful number, since it uses less digits than its factorization.

29318899808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83292350 (or 83292342 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 65.

The spelling of 29318899808 in words is "twenty-nine billion, three hundred eighteen million, eight hundred ninety-nine thousand, eight hundred eight".