995499509 has 16 divisors (see below), whose sum is σ = 1057795200. Its totient is φ = 934242624.

The previous prime is 995499499. The next prime is 995499529. The reversal of 995499509 is 905994599.

It is a cyclic number.

It is not a de Polignac number, because 995499509 - 2¹⁶ = 995433973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995499529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186112 + ... + 1186950.

It is an arithmetic number, because the mean of its divisors is an integer number (66112200).

Almost surely, 2^995499509 is an apocalyptic number.

It is an amenable number.

995499509 is a deficient number, since it is larger than the sum of its proper divisors (62295691).

995499509 is a wasteful number, since it uses less digits than its factorization.

With its successor (995499510) it forms an eRAP, since the sums of their prime factors are consecutive (1372 and 1373).

995499509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 5904900, while the sum is 59.

The square root of 995499509 is about 31551.5373476476. The cubic root of 995499509 is about 998.4975801985.

The spelling of 995499509 in words is "nine hundred ninety-five million, four hundred ninety-nine thousand, five hundred nine".