29959519317992 has 128 divisors (see below), whose sum is σ = 63400165171200. Its totient is φ = 13149015379200.

The previous prime is 29959519317989. The next prime is 29959519318019. The reversal of 29959519317992 is 29971391595992.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2380945733 + ... + 2380958315.

It is an arithmetic number, because the mean of its divisors is an integer number (495313790400).

Almost surely, 2^{29959519317992} is an apocalyptic number.

29959519317992 is a gapful number since it is divisible by the number (22) 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 29959519317992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31700082585600).

29959519317992 is an abundant number, since it is smaller than the sum of its proper divisors (33440645853208).

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

29959519317992 is a wasteful number, since it uses less digits than its factorization.

29959519317992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14527 (or 14523 counting only the distinct ones).

The product of its digits is 1116026100, while the sum is 80.

The spelling of 29959519317992 in words is "twenty-nine trillion, nine hundred fifty-nine billion, five hundred nineteen million, three hundred seventeen thousand, nine hundred ninety-two".