2199928917 has 4 divisors (see below), whose sum is σ = 2933238560. Its totient is φ = 1466619276.

The previous prime is 2199928903. The next prime is 2199928933. The reversal of 2199928917 is 7198299912.

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 not a de Polignac number, because 2199928917 - 2⁴ = 2199928901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199920917) 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, 366654817 + ... + 366654822.

It is an arithmetic number, because the mean of its divisors is an integer number (733309640).

Almost surely, 2^2199928917 is an apocalyptic number.

It is an amenable number.

2199928917 is a deficient number, since it is larger than the sum of its proper divisors (733309643).

2199928917 is an equidigital number, since it uses as much as digits as its factorization.

2199928917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733309642.

The product of its digits is 1469664, while the sum is 57.

The square root of 2199928917 is about 46903.3998447874. The cubic root of 2199928917 is about 1300.5774391336.

The spelling of 2199928917 in words is "two billion, one hundred ninety-nine million, nine hundred twenty-eight thousand, nine hundred seventeen".