29813928772609 has 4 divisors (see below), whose sum is σ = 30041516015280. Its totient is φ = 29586341529940.

The previous prime is 29813928772597. The next prime is 29813928772627. The reversal of 29813928772609 is 90627782931892.

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 29813928772609 - 2³⁹ = 29264172958721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29813928772009) 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, 113793621139 + ... + 113793621400.

It is an arithmetic number, because the mean of its divisors is an integer number (7510379003820).

Almost surely, 2^{29813928772609} is an apocalyptic number.

It is an amenable number.

29813928772609 is a deficient number, since it is larger than the sum of its proper divisors (227587242671).

29813928772609 is a wasteful number, since it uses less digits than its factorization.

29813928772609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227587242670.

The product of its (nonzero) digits is 329204736, while the sum is 73.

The spelling of 29813928772609 in words is "twenty-nine trillion, eight hundred thirteen billion, nine hundred twenty-eight million, seven hundred seventy-two thousand, six hundred nine".