509005455853 has 8 divisors (see below), whose sum is σ = 510460002360. Its totient is φ = 507551934720.

The previous prime is 509005455841. The next prime is 509005455877. The reversal of 509005455853 is 358554500905.

It can be written as a sum of positive squares in 4 ways, for example, as 3544178089 + 505461277764 = 59533^2 + 710958^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-509005455853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 509005455797 and 509005455806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509005495853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743451 + ... + 1253287.

It is an arithmetic number, because the mean of its divisors is an integer number (63807500295).

Almost surely, 2^509005455853 is an apocalyptic number.

It is an amenable number.

509005455853 is a deficient number, since it is larger than the sum of its proper divisors (1454546507).

509005455853 is a wasteful number, since it uses less digits than its factorization.

509005455853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512687.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 509005455853 in words is "five hundred nine billion, five million, four hundred fifty-five thousand, eight hundred fifty-three".