8713387649 has 2 divisors, whose sum is σ = 8713387650. Its totient is φ = 8713387648.

The previous prime is 8713387591. The next prime is 8713387663. The reversal of 8713387649 is 9467833178.

8713387649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8430912400 + 282475249 = 91820^2 + 16807^2 .

It is a cyclic number.

It is not a de Polignac number, because 8713387649 - 2¹⁶ = 8713322113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8713387594 and 8713387603.

It is not a weakly prime, because it can be changed into another prime (8713387679) 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, 4356693824 + 4356693825.

It is an arithmetic number, because the mean of its divisors is an integer number (4356693825).

Almost surely, 2^8713387649 is an apocalyptic number.

It is an amenable number.

8713387649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8713387649 is an equidigital number, since it uses as much as digits as its factorization.

8713387649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The square root of 8713387649 is about 93345.5282753277. The cubic root of 8713387649 is about 2057.7645377281.

The spelling of 8713387649 in words is "eight billion, seven hundred thirteen million, three hundred eighty-seven thousand, six hundred forty-nine".