8486752409 has 2 divisors, whose sum is σ = 8486752410. Its totient is φ = 8486752408.

The previous prime is 8486752387. The next prime is 8486752411. The reversal of 8486752409 is 9042576848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5114395225 + 3372357184 = 71515^2 + 58072^2 .

It is a cyclic number.

It is not a de Polignac number, because 8486752409 - 2³² = 4191785113 is a prime.

It is a Sophie Germain prime.

Together with 8486752411, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8486752489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4243376204 + 4243376205.

It is an arithmetic number, because the mean of its divisors is an integer number (4243376205).

Almost surely, 2^8486752409 is an apocalyptic number.

It is an amenable number.

8486752409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8486752409 is an equidigital number, since it uses as much as digits as its factorization.

8486752409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The square root of 8486752409 is about 92123.5714081906. The cubic root of 8486752409 is about 2039.7667624701.

The spelling of 8486752409 in words is "eight billion, four hundred eighty-six million, seven hundred fifty-two thousand, four hundred nine".