8711347747649 has 2 divisors, whose sum is σ = 8711347747650. Its totient is φ = 8711347747648.

The previous prime is 8711347747559. The next prime is 8711347747717. The reversal of 8711347747649 is 9467477431178.

It is an a-pointer prime, because the next prime (8711347747717) can be obtained adding 8711347747649 to its sum of digits (68).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7093529103424 + 1617818644225 = 2663368^2 + 1271935^2 .

It is a cyclic number.

It is not a de Polignac number, because 8711347747649 - 2¹⁶ = 8711347682113 is a prime.

It is not a weakly prime, because it can be changed into another prime (8711347747049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4355673873824 + 4355673873825.

It is an arithmetic number, because the mean of its divisors is an integer number (4355673873825).

Almost surely, 2^{8711347747649} is an apocalyptic number.

It is an amenable number.

8711347747649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8711347747649 is an equidigital number, since it uses as much as digits as its factorization.

8711347747649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 199148544, while the sum is 68.

The spelling of 8711347747649 in words is "eight trillion, seven hundred eleven billion, three hundred forty-seven million, seven hundred forty-seven thousand, six hundred forty-nine".