2124798479 has 2 divisors, whose sum is σ = 2124798480. Its totient is φ = 2124798478.

The previous prime is 2124798449. The next prime is 2124798491. The reversal of 2124798479 is 9748974212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124798479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2124798479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124798439) 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, 1062399239 + 1062399240.

It is an arithmetic number, because the mean of its divisors is an integer number (1062399240).

Almost surely, 2^2124798479 is an apocalyptic number.

2124798479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124798479 is an equidigital number, since it uses as much as digits as its factorization.

2124798479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 2124798479 is about 46095.5364325007. The cubic root of 2124798479 is about 1285.6001534767.

The spelling of 2124798479 in words is "two billion, one hundred twenty-four million, seven hundred ninety-eight thousand, four hundred seventy-nine".