8044739749 has 2 divisors, whose sum is σ = 8044739750. Its totient is φ = 8044739748.

The previous prime is 8044739741. The next prime is 8044739803. The reversal of 8044739749 is 9479374408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7982171649 + 62568100 = 89343^2 + 7910^2 .

It is a cyclic number.

It is not a de Polignac number, because 8044739749 - 2³ = 8044739741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8044739749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8044739741) 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, 4022369874 + 4022369875.

It is an arithmetic number, because the mean of its divisors is an integer number (4022369875).

Almost surely, 2^8044739749 is an apocalyptic number.

It is an amenable number.

8044739749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8044739749 is an equidigital number, since it uses as much as digits as its factorization.

8044739749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 8044739749 is about 89692.4732014900. The cubic root of 8044739749 is about 2003.7213837734.

The spelling of 8044739749 in words is "eight billion, forty-four million, seven hundred thirty-nine thousand, seven hundred forty-nine".