29805173441 has 4 divisors (see below), whose sum is σ = 31373866800. Its totient is φ = 28236480084.

The previous prime is 29805173401. The next prime is 29805173537. The reversal of 29805173441 is 14437150892.

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 29805173441 - 2²² = 29800979137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29805173392 and 29805173401.

It is not an unprimeable number, because it can be changed into a prime (29805173401) 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, 784346651 + ... + 784346688.

It is an arithmetic number, because the mean of its divisors is an integer number (7843466700).

Almost surely, 2^29805173441 is an apocalyptic number.

It is an amenable number.

29805173441 is a deficient number, since it is larger than the sum of its proper divisors (1568693359).

29805173441 is a wasteful number, since it uses less digits than its factorization.

29805173441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568693358.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 29805173441 in words is "twenty-nine billion, eight hundred five million, one hundred seventy-three thousand, four hundred forty-one".