2199196309 has 2 divisors, whose sum is σ = 2199196310. Its totient is φ = 2199196308.

The previous prime is 2199196289. The next prime is 2199196331. The reversal of 2199196309 is 9036919912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1467656100 + 731540209 = 38310^2 + 27047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199196309 - 2⁵ = 2199196277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199196379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099598154 + 1099598155.

It is an arithmetic number, because the mean of its divisors is an integer number (1099598155).

Almost surely, 2^2199196309 is an apocalyptic number.

It is an amenable number.

2199196309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199196309 is an equidigital number, since it uses as much as digits as its factorization.

2199196309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 2199196309 is about 46895.5894407992. The cubic root of 2199196309 is about 1300.4330527679.

The spelling of 2199196309 in words is "two billion, one hundred ninety-nine million, one hundred ninety-six thousand, three hundred nine".