29894499313616 has 80 divisors (see below), whose sum is σ = 68363041628160. Its totient is φ = 12392696373120.

The previous prime is 29894499313589. The next prime is 29894499313621. The reversal of 29894499313616 is 61631399449892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5183255 + ... + 9308873.

It is an arithmetic number, because the mean of its divisors is an integer number (854538020352).

Almost surely, 2^{29894499313616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29894499313616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34181520814080).

29894499313616 is an abundant number, since it is smaller than the sum of its proper divisors (38468542314544).

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

29894499313616 is a wasteful number, since it uses less digits than its factorization.

29894499313616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127752 (or 4127746 counting only the distinct ones).

The product of its digits is 544195584, while the sum is 74.

The spelling of 29894499313616 in words is "twenty-nine trillion, eight hundred ninety-four billion, four hundred ninety-nine million, three hundred thirteen thousand, six hundred sixteen".