29923216105 has 4 divisors (see below), whose sum is σ = 35907859332. Its totient is φ = 23938572880.

The previous prime is 29923216097. The next prime is 29923216117. The reversal of 29923216105 is 50161232992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18562427536 + 11360788569 = 136244^2 + 106587^2 .

It is not a de Polignac number, because 29923216105 - 2³ = 29923216097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2992321606 + ... + 2992321615.

It is an arithmetic number, because the mean of its divisors is an integer number (8976964833).

Almost surely, 2^29923216105 is an apocalyptic number.

It is an amenable number.

29923216105 is a deficient number, since it is larger than the sum of its proper divisors (5984643227).

29923216105 is an equidigital number, since it uses as much as digits as its factorization.

29923216105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984643226.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 29923216105 in words is "twenty-nine billion, nine hundred twenty-three million, two hundred sixteen thousand, one hundred five".