2199969479 has 2 divisors, whose sum is σ = 2199969480. Its totient is φ = 2199969478.

The previous prime is 2199969469. The next prime is 2199969503. The reversal of 2199969479 is 9749699912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2199969479 - 2¹⁶ = 2199903943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199969419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099984739 + 1099984740.

It is an arithmetic number, because the mean of its divisors is an integer number (1099984740).

Almost surely, 2^2199969479 is an apocalyptic number.

2199969479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199969479 is an equidigital number, since it uses as much as digits as its factorization.

2199969479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 65.

The square root of 2199969479 is about 46903.8322421527. The cubic root of 2199969479 is about 1300.5854323764.

The spelling of 2199969479 in words is "two billion, one hundred ninety-nine million, nine hundred sixty-nine thousand, four hundred seventy-nine".