509037996858 has 8 divisors (see below), whose sum is σ = 1018075993728. Its totient is φ = 169679332284.

The previous prime is 509037996853. The next prime is 509037996923. The reversal of 509037996858 is 858699730905.

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

509037996858 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 509037996792 and 509037996801.

It is not an unprimeable number, because it can be changed into a prime (509037996851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42419833066 + ... + 42419833077.

It is an arithmetic number, because the mean of its divisors is an integer number (127259499216).

Almost surely, 2^509037996858 is an apocalyptic number.

509037996858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509037996858 is a wasteful number, since it uses less digits than its factorization.

509037996858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84839666148.

The product of its (nonzero) digits is 146966400, while the sum is 69.

The spelling of 509037996858 in words is "five hundred nine billion, thirty-seven million, nine hundred ninety-six thousand, eight hundred fifty-eight".