4995006509 has 2 divisors, whose sum is σ = 4995006510. Its totient is φ = 4995006508.

The previous prime is 4995006481. The next prime is 4995006553. The reversal of 4995006509 is 9056005994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2865460900 + 2129545609 = 53530^2 + 46147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4995006509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4995006109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2497503254 + 2497503255.

It is an arithmetic number, because the mean of its divisors is an integer number (2497503255).

Almost surely, 2^4995006509 is an apocalyptic number.

It is an amenable number.

4995006509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4995006509 is an equidigital number, since it uses as much as digits as its factorization.

4995006509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 4995006509 is about 70675.3599849339. The cubic root of 4995006509 is about 1709.4065071018.

The spelling of 4995006509 in words is "four billion, nine hundred ninety-five million, six thousand, five hundred nine".