29170005385 has 8 divisors (see below), whose sum is σ = 35364873096. Its totient is φ = 23095426560.

The previous prime is 29170005383. The next prime is 29170005391. The reversal of 29170005385 is 58350007192.

It can be written as a sum of positive squares in 4 ways, for example, as 111007296 + 29058998089 = 10536^2 + 170467^2 .

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

It is not a de Polignac number, because 29170005385 - 2¹ = 29170005383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29170005383) 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 7 ways as a sum of consecutive naturals, for example, 30071686 + ... + 30072655.

It is an arithmetic number, because the mean of its divisors is an integer number (4420609137).

Almost surely, 2^29170005385 is an apocalyptic number.

It is an amenable number.

29170005385 is a deficient number, since it is larger than the sum of its proper divisors (6194867711).

29170005385 is an equidigital number, since it uses as much as digits as its factorization.

29170005385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60144443.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 29170005385 in words is "twenty-nine billion, one hundred seventy million, five thousand, three hundred eighty-five".