509455093 has 12 divisors (see below), whose sum is σ = 603010720. Its totient is φ = 421613136.

The previous prime is 509455081. The next prime is 509455127. The reversal of 509455093 is 390554905.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-509455093 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 (509455003) 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 11 ways as a sum of consecutive naturals, for example, 37383 + ... + 49156.

Almost surely, 2^509455093 is an apocalyptic number.

It is an amenable number.

509455093 is a deficient number, since it is larger than the sum of its proper divisors (93555627).

509455093 is an equidigital number, since it uses as much as digits as its factorization.

509455093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86604 (or 86575 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 509455093 is about 22571.1119132399. Note that the first 3 decimals coincide. The cubic root of 509455093 is about 798.6723254234.

The spelling of 509455093 in words is "five hundred nine million, four hundred fifty-five thousand, ninety-three".