29133067986 has 80 divisors (see below), whose sum is σ = 71249558688. Its totient is φ = 8823816000.

The previous prime is 29133067981. The next prime is 29133068021. The reversal of 29133067986 is 68976033192.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (29133067981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6543061 + ... + 6547511.

Almost surely, 2^29133067986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29133067986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35624779344).

29133067986 is an abundant number, since it is smaller than the sum of its proper divisors (42116490702).

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

29133067986 is a wasteful number, since it uses less digits than its factorization.

29133067986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

It can be divided in two parts, 2913306 and 7986, that added together give a palindrome (2921292).

The spelling of 29133067986 in words is "twenty-nine billion, one hundred thirty-three million, sixty-seven thousand, nine hundred eighty-six".