2199395871479 has 2 divisors, whose sum is σ = 2199395871480. Its totient is φ = 2199395871478.

The previous prime is 2199395871469. The next prime is 2199395871481. The reversal of 2199395871479 is 9741785939912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2199395871479 is a prime.

Together with 2199395871481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199395871469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099697935739 + 1099697935740.

It is an arithmetic number, because the mean of its divisors is an integer number (1099697935740).

Almost surely, 2^{2199395871479} is an apocalyptic number.

2199395871479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199395871479 is an equidigital number, since it uses as much as digits as its factorization.

2199395871479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 308629440, while the sum is 74.

The spelling of 2199395871479 in words is "two trillion, one hundred ninety-nine billion, three hundred ninety-five million, eight hundred seventy-one thousand, four hundred seventy-nine".