8009702749 has 2 divisors, whose sum is σ = 8009702750. Its totient is φ = 8009702748.

The previous prime is 8009702741. The next prime is 8009702773. The reversal of 8009702749 is 9472079008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5731549849 + 2278152900 = 75707^2 + 47730^2 .

It is a cyclic number.

It is not a de Polignac number, because 8009702749 - 2³ = 8009702741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8009702699 and 8009702708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8009702741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004851374 + 4004851375.

It is an arithmetic number, because the mean of its divisors is an integer number (4004851375).

Almost surely, 2^8009702749 is an apocalyptic number.

It is an amenable number.

8009702749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8009702749 is an equidigital number, since it uses as much as digits as its factorization.

8009702749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 8009702749 is about 89496.9426796245. The cubic root of 8009702749 is about 2000.8082357502.

The spelling of 8009702749 in words is "eight billion, nine million, seven hundred two thousand, seven hundred forty-nine".