8765719049 has 2 divisors, whose sum is σ = 8765719050. Its totient is φ = 8765719048.

The previous prime is 8765719019. The next prime is 8765719073. The reversal of 8765719049 is 9409175678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8723560000 + 42159049 = 93400^2 + 6493^2 .

It is a cyclic number.

It is not a de Polignac number, because 8765719049 - 2¹² = 8765714953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8765718985 and 8765719003.

It is not a weakly prime, because it can be changed into another prime (8765719019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4382859524 + 4382859525.

It is an arithmetic number, because the mean of its divisors is an integer number (4382859525).

Almost surely, 2^8765719049 is an apocalyptic number.

It is an amenable number.

8765719049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8765719049 is an equidigital number, since it uses as much as digits as its factorization.

8765719049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The square root of 8765719049 is about 93625.4188188229. The cubic root of 8765719049 is about 2061.8758676379.

The spelling of 8765719049 in words is "eight billion, seven hundred sixty-five million, seven hundred nineteen thousand, forty-nine".