29091019092 has 96 divisors (see below), whose sum is σ = 73077043200. Its totient is φ = 8979984000.

The previous prime is 29091019057. The next prime is 29091019121.

29091019092 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×29091019092² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1811217 + ... + 1827207.

It is an arithmetic number, because the mean of its divisors is an integer number (761219200).

Almost surely, 2^29091019092 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 29091019092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36538521600).

29091019092 is an abundant number, since it is smaller than the sum of its proper divisors (43986024108).

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

29091019092 is a wasteful number, since it uses less digits than its factorization.

29091019092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16197 (or 16195 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 29091019092 in words is "twenty-nine billion, ninety-one million, nineteen thousand, ninety-two".