2098636217 has 4 divisors (see below), whose sum is σ = 2102808960. Its totient is φ = 2094463476.

The previous prime is 2098636201. The next prime is 2098636229. The reversal of 2098636217 is 7126368902.

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 2098636217 - 2⁴ = 2098636201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098636297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2085617 + ... + 2086622.

It is an arithmetic number, because the mean of its divisors is an integer number (525702240).

Almost surely, 2^2098636217 is an apocalyptic number.

It is an amenable number.

2098636217 is a deficient number, since it is larger than the sum of its proper divisors (4172743).

2098636217 is an equidigital number, since it uses as much as digits as its factorization.

2098636217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172742.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2098636217 is about 45810.8744404645. The cubic root of 2098636217 is about 1280.3018935132.

The spelling of 2098636217 in words is "two billion, ninety-eight million, six hundred thirty-six thousand, two hundred seventeen".