8719148753849 has 2 divisors, whose sum is σ = 8719148753850. Its totient is φ = 8719148753848.

The previous prime is 8719148753773. The next prime is 8719148753869. The reversal of 8719148753849 is 9483578419178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4754828830249 + 3964319923600 = 2180557^2 + 1991060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8719148753849 is a prime.

It is not a weakly prime, because it can be changed into another prime (8719148753869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4359574376924 + 4359574376925.

It is an arithmetic number, because the mean of its divisors is an integer number (4359574376925).

Almost surely, 2^{8719148753849} is an apocalyptic number.

It is an amenable number.

8719148753849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8719148753849 is an equidigital number, since it uses as much as digits as its factorization.

8719148753849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 487710720, while the sum is 74.

The spelling of 8719148753849 in words is "eight trillion, seven hundred nineteen billion, one hundred forty-eight million, seven hundred fifty-three thousand, eight hundred forty-nine".