4384081376749 has 2 divisors, whose sum is σ = 4384081376750. Its totient is φ = 4384081376748.

The previous prime is 4384081376713. The next prime is 4384081376761. The reversal of 4384081376749 is 9476731804834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2879639302500 + 1504442074249 = 1696950^2 + 1226557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4384081376749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4384081376149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192040688374 + 2192040688375.

It is an arithmetic number, because the mean of its divisors is an integer number (2192040688375).

Almost surely, 2^{4384081376749} is an apocalyptic number.

It is an amenable number.

4384081376749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4384081376749 is an equidigital number, since it uses as much as digits as its factorization.

4384081376749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 4384081376749 in words is "four trillion, three hundred eighty-four billion, eighty-one million, three hundred seventy-six thousand, seven hundred forty-nine".