485959509 has 36 divisors (see below), whose sum is σ = 828781824. Its totient is φ = 273529872.

The previous prime is 485959499. The next prime is 485959519. The reversal of 485959509 is 905959584.

485959509 is a `hidden beast` number, since 4 + 85 + 9 + 59 + 509 = 666.

It is an interprime number because it is at equal distance from previous prime (485959499) and next prime (485959519).

It is not a de Polignac number, because 485959509 - 2⁹ = 485958997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485959519) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21324 + ... + 37770.

Almost surely, 2^485959509 is an apocalyptic number.

485959509 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

485959509 is a deficient number, since it is larger than the sum of its proper divisors (342822315).

485959509 is a wasteful number, since it uses less digits than its factorization.

485959509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16534 (or 16524 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 54.

The square root of 485959509 is about 22044.4893113903. The cubic root of 485959509 is about 786.2005829979.

The spelling of 485959509 in words is "four hundred eighty-five million, nine hundred fifty-nine thousand, five hundred nine".