2912105345 has 8 divisors (see below), whose sum is σ = 3499692264. Its totient is φ = 2326240384.

The previous prime is 2912105309. The next prime is 2912105359. The reversal of 2912105345 is 5435012192.

It can be written as a sum of positive squares in 4 ways, for example, as 938258161 + 1973847184 = 30631^2 + 44428^2 .

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 2912105345 - 2¹⁸ = 2911843201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426764 + ... + 433533.

It is an arithmetic number, because the mean of its divisors is an integer number (437461533).

Almost surely, 2^2912105345 is an apocalyptic number.

It is an amenable number.

2912105345 is a deficient number, since it is larger than the sum of its proper divisors (587586919).

2912105345 is an equidigital number, since it uses as much as digits as its factorization.

2912105345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860979.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2912105345 is about 53963.9263304664. The cubic root of 2912105345 is about 1428.0246161216.

The spelling of 2912105345 in words is "two billion, nine hundred twelve million, one hundred five thousand, three hundred forty-five".