29317317320 has 64 divisors (see below), whose sum is σ = 67605632640. Its totient is φ = 11435353600.

The previous prime is 29317317307. The next prime is 29317317389. The reversal of 29317317320 is 2371371392.

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 15 ways as a sum of consecutive naturals, for example, 5525789 + ... + 5531091.

It is an arithmetic number, because the mean of its divisors is an integer number (1056338010).

Almost surely, 2^29317317320 is an apocalyptic number.

29317317320 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 29317317320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33802816320).

29317317320 is an abundant number, since it is smaller than the sum of its proper divisors (38288315320).

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

29317317320 is a wasteful number, since it uses less digits than its factorization.

29317317320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726 (or 8722 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 38.

The spelling of 29317317320 in words is "twenty-nine billion, three hundred seventeen million, three hundred seventeen thousand, three hundred twenty".