2199329449 has 2 divisors, whose sum is σ = 2199329450. Its totient is φ = 2199329448.

The previous prime is 2199329443. The next prime is 2199329479. The reversal of 2199329449 is 9449239912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1921507225 + 277822224 = 43835^2 + 16668^2 .

It is a cyclic number.

It is not a de Polignac number, because 2199329449 - 2¹¹ = 2199327401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2199329396 and 2199329405.

It is not a weakly prime, because it can be changed into another prime (2199329443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099664724 + 1099664725.

It is an arithmetic number, because the mean of its divisors is an integer number (1099664725).

Almost surely, 2^2199329449 is an apocalyptic number.

It is an amenable number.

2199329449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199329449 is an equidigital number, since it uses as much as digits as its factorization.

2199329449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 52.

The square root of 2199329449 is about 46897.0089557959. The cubic root of 2199329449 is about 1300.4592951066.

The spelling of 2199329449 in words is "two billion, one hundred ninety-nine million, three hundred twenty-nine thousand, four hundred forty-nine".