8455295509 has 2 divisors, whose sum is σ = 8455295510. Its totient is φ = 8455295508.

The previous prime is 8455295473. The next prime is 8455295549. The reversal of 8455295509 is 9055925548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7793005284 + 662290225 = 88278^2 + 25735^2 .

It is a cyclic number.

It is not a de Polignac number, because 8455295509 - 2¹¹ = 8455293461 is a prime.

It is a super-4 number, since 4×8455295509⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8455295549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4227647754 + 4227647755.

It is an arithmetic number, because the mean of its divisors is an integer number (4227647755).

Almost surely, 2^8455295509 is an apocalyptic number.

It is an amenable number.

8455295509 is a deficient number, since it is larger than the sum of its proper divisors (1).

8455295509 is an equidigital number, since it uses as much as digits as its factorization.

8455295509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240000, while the sum is 52.

The square root of 8455295509 is about 91952.6808146451. The cubic root of 8455295509 is about 2037.2434501727.

The spelling of 8455295509 in words is "eight billion, four hundred fifty-five million, two hundred ninety-five thousand, five hundred nine".