509745058458 has 16 divisors (see below), whose sum is σ = 1024772451456. Its totient is φ = 169034630400.

The previous prime is 509745058457. The next prime is 509745058547. The reversal of 509745058458 is 854850547905.

It is not an unprimeable number, because it can be changed into a prime (509745058457) 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, 220096018 + ... + 220098333.

It is an arithmetic number, because the mean of its divisors is an integer number (64048278216).

Almost surely, 2^509745058458 is an apocalyptic number.

509745058458 is an abundant number, since it is smaller than the sum of its proper divisors (515027392998).

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

509745058458 is a wasteful number, since it uses less digits than its factorization.

509745058458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440194549.

The product of its (nonzero) digits is 40320000, while the sum is 60.

The spelling of 509745058458 in words is "five hundred nine billion, seven hundred forty-five million, fifty-eight thousand, four hundred fifty-eight".