29354996889 has 15 divisors (see below), whose sum is σ = 43853595247. Its totient is φ = 19568969928.

The previous prime is 29354996831. The next prime is 29354996933. The reversal of 29354996889 is 98869945392.

The square root of 29354996889 is 171333.

It is a perfect power (a square), and thus also a powerful number.

29354996889 is a `hidden beast` number, since 29 + 35 + 499 + 6 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150921225 + 29204075664 = 12285^2 + 170892^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29354996889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29354991889) 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 14 ways as a sum of consecutive naturals, for example, 1532479 + ... + 1551515.

Almost surely, 2^29354996889 is an apocalyptic number.

29354996889 is the 171333-rd square number.

29354996889 is the 85667-th centered octagonal number.

It is an amenable number.

29354996889 is a deficient number, since it is larger than the sum of its proper divisors (14498598358).

29354996889 is an frugal number, since it uses more digits than its factorization.

29354996889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38086 (or 19040 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The spelling of 29354996889 in words is "twenty-nine billion, three hundred fifty-four million, nine hundred ninety-six thousand, eight hundred eighty-nine".