29081369 has 4 divisors (see below), whose sum is σ = 29097744. Its totient is φ = 29064996.

The previous prime is 29081359. The next prime is 29081383. The reversal of 29081369 is 96318092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29081369 - 2²⁰ = 28032793 is a prime.

It is a super-2 number, since 2×29081369² = 1691452045828322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29081359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147 + ... + 9200.

It is an arithmetic number, because the mean of its divisors is an integer number (7274436).

Almost surely, 2^29081369 is an apocalyptic number.

It is an amenable number.

29081369 is a deficient number, since it is larger than the sum of its proper divisors (16375).

29081369 is a wasteful number, since it uses less digits than its factorization.

29081369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16374.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 29081369 is about 5392.7144370901. The cubic root of 29081369 is about 307.5187606154.

The spelling of 29081369 in words is "twenty-nine million, eighty-one thousand, three hundred sixty-nine".