29519363808 has 144 divisors (see below), whose sum is σ = 91857048192. Its totient is φ = 8917920000.

The previous prime is 29519363779. The next prime is 29519363821. The reversal of 29519363808 is 80836391592.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1034533 + ... + 1062683.

It is an arithmetic number, because the mean of its divisors is an integer number (637896168).

Almost surely, 2^29519363808 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 29519363808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45928524096).

29519363808 is an abundant number, since it is smaller than the sum of its proper divisors (62337684384).

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

29519363808 is a wasteful number, since it uses less digits than its factorization.

29519363808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28509 (or 28498 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 29519363808 in words is "twenty-nine billion, five hundred nineteen million, three hundred sixty-three thousand, eight hundred eight".