4209780556799 has 2 divisors, whose sum is σ = 4209780556800. Its totient is φ = 4209780556798.

The previous prime is 4209780556721. The next prime is 4209780556853. The reversal of 4209780556799 is 9976550879024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4209780556799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4209780586799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104890278399 + 2104890278400.

It is an arithmetic number, because the mean of its divisors is an integer number (2104890278400).

Almost surely, 2^{4209780556799} is an apocalyptic number.

4209780556799 is a deficient number, since it is larger than the sum of its proper divisors (1).

4209780556799 is an equidigital number, since it uses as much as digits as its factorization.

4209780556799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 4209780556799 in words is "four trillion, two hundred nine billion, seven hundred eighty million, five hundred fifty-six thousand, seven hundred ninety-nine".