2108417321 has 4 divisors (see below), whose sum is σ = 2153277312. Its totient is φ = 2063557332.

The previous prime is 2108417309. The next prime is 2108417329. The reversal of 2108417321 is 1237148012.

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 2108417321 - 2¹⁴ = 2108400937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108417329) 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 3 ways as a sum of consecutive naturals, for example, 22429925 + ... + 22430018.

It is an arithmetic number, because the mean of its divisors is an integer number (538319328).

Almost surely, 2^2108417321 is an apocalyptic number.

It is an amenable number.

2108417321 is a deficient number, since it is larger than the sum of its proper divisors (44859991).

2108417321 is an equidigital number, since it uses as much as digits as its factorization.

2108417321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44859990.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2108417321 is about 45917.5056051611. The cubic root of 2108417321 is about 1282.2878437470.

The spelling of 2108417321 in words is "two billion, one hundred eight million, four hundred seventeen thousand, three hundred twenty-one".