8744391713 has 2 divisors, whose sum is σ = 8744391714. Its totient is φ = 8744391712.

The previous prime is 8744391701. The next prime is 8744391731. The reversal of 8744391713 is 3171934478.

Together with next prime (8744391731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7243371664 + 1501020049 = 85108^2 + 38743^2 .

It is a cyclic number.

It is not a de Polignac number, because 8744391713 - 2¹⁴ = 8744375329 is a prime.

It is not a weakly prime, because it can be changed into another prime (8744391763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372195856 + 4372195857.

It is an arithmetic number, because the mean of its divisors is an integer number (4372195857).

Almost surely, 2^8744391713 is an apocalyptic number.

It is an amenable number.

8744391713 is a deficient number, since it is larger than the sum of its proper divisors (1).

8744391713 is an equidigital number, since it uses as much as digits as its factorization.

8744391713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 8744391713 is about 93511.4523093295. The cubic root of 8744391713 is about 2060.2023015105.

The spelling of 8744391713 in words is "eight billion, seven hundred forty-four million, three hundred ninety-one thousand, seven hundred thirteen".