496996509 has 32 divisors (see below), whose sum is σ = 709632000. Its totient is φ = 308505024.

The previous prime is 496996501. The next prime is 496996517. The reversal of 496996509 is 905699694.

It is an interprime number because it is at equal distance from previous prime (496996501) and next prime (496996517).

It is not a de Polignac number, because 496996509 - 2³ = 496996501 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496996501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1037332 + ... + 1037810.

It is an arithmetic number, because the mean of its divisors is an integer number (22176000).

Almost surely, 2^496996509 is an apocalyptic number.

It is an amenable number.

496996509 is a deficient number, since it is larger than the sum of its proper divisors (212635491).

496996509 is a wasteful number, since it uses less digits than its factorization.

496996509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 4723920, while the sum is 57.

The square root of 496996509 is about 22293.4185130948. The cubic root of 496996509 is about 792.1080848688.

The spelling of 496996509 in words is "four hundred ninety-six million, nine hundred ninety-six thousand, five hundred nine".