468634509 has 24 divisors (see below), whose sum is σ = 790083840. Its totient is φ = 262091808.

The previous prime is 468634477. The next prime is 468634541. The reversal of 468634509 is 905436864.

468634509 is a `hidden beast` number, since 4 + 6 + 8 + 634 + 5 + 0 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (468634477) and next prime (468634541).

It is not a de Polignac number, because 468634509 - 2⁵ = 468634477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468634549) 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 23 ways as a sum of consecutive naturals, for example, 76174 + ... + 82095.

It is an arithmetic number, because the mean of its divisors is an integer number (32920160).

Almost surely, 2^468634509 is an apocalyptic number.

It is an amenable number.

468634509 is a deficient number, since it is larger than the sum of its proper divisors (321449331).

468634509 is a wasteful number, since it uses less digits than its factorization.

468634509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158329 (or 158326 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 468634509 is about 21647.9677799095. The cubic root of 468634509 is about 776.7443243791.

The spelling of 468634509 in words is "four hundred sixty-eight million, six hundred thirty-four thousand, five hundred nine".