29805252047 has 8 divisors (see below), whose sum is σ = 30563501472. Its totient is φ = 29048492800.

The previous prime is 29805252013. The next prime is 29805252049. The reversal of 29805252047 is 74025250892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29805252047 - 2¹² = 29805247951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29805251989 and 29805252007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29805252049) 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 7 ways as a sum of consecutive naturals, for example, 331979 + ... + 412092.

It is an arithmetic number, because the mean of its divisors is an integer number (3820437684).

Almost surely, 2^29805252047 is an apocalyptic number.

29805252047 is a deficient number, since it is larger than the sum of its proper divisors (758249425).

29805252047 is an equidigital number, since it uses as much as digits as its factorization.

29805252047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745089.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 29805252047 in words is "twenty-nine billion, eight hundred five million, two hundred fifty-two thousand, forty-seven".