8164752538849 has 2 divisors, whose sum is σ = 8164752538850. Its totient is φ = 8164752538848.

The previous prime is 8164752538793. The next prime is 8164752538879. The reversal of 8164752538849 is 9488352574618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6666429655249 + 1498322883600 = 2581943^2 + 1224060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8164752538849 is a prime.

It is not a weakly prime, because it can be changed into another prime (8164752538879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082376269424 + 4082376269425.

It is an arithmetic number, because the mean of its divisors is an integer number (4082376269425).

Almost surely, 2^{8164752538849} is an apocalyptic number.

It is an amenable number.

8164752538849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8164752538849 is an equidigital number, since it uses as much as digits as its factorization.

8164752538849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 464486400, while the sum is 70.

The spelling of 8164752538849 in words is "eight trillion, one hundred sixty-four billion, seven hundred fifty-two million, five hundred thirty-eight thousand, eight hundred forty-nine".