4349326581779 has 2 divisors, whose sum is σ = 4349326581780. Its totient is φ = 4349326581778.

The previous prime is 4349326581773. The next prime is 4349326581799. The reversal of 4349326581779 is 9771856239434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4349326581779 is a prime.

It is not a weakly prime, because it can be changed into another prime (4349326581773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2174663290889 + 2174663290890.

It is an arithmetic number, because the mean of its divisors is an integer number (2174663290890).

Almost surely, 2^{4349326581779} is an apocalyptic number.

4349326581779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4349326581779 is an equidigital number, since it uses as much as digits as its factorization.

4349326581779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 68.

The spelling of 4349326581779 in words is "four trillion, three hundred forty-nine billion, three hundred twenty-six million, five hundred eighty-one thousand, seven hundred seventy-nine".