468281909 has 12 divisors (see below), whose sum is σ = 490645932. Its totient is φ = 446899200.

The previous prime is 468281903. The next prime is 468281941. The reversal of 468281909 is 909182864.

It can be written as a sum of positive squares in 2 ways, for example, as 330148900 + 138133009 = 18170^2 + 11753^2 .

It is not a de Polignac number, because 468281909 - 2¹² = 468277813 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 (468281903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338399 + ... + 339779.

It is an arithmetic number, because the mean of its divisors is an integer number (40887161).

Almost surely, 2^468281909 is an apocalyptic number.

It is an amenable number.

468281909 is a deficient number, since it is larger than the sum of its proper divisors (22364023).

468281909 is a wasteful number, since it uses less digits than its factorization.

468281909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 468281909 is about 21639.8222959432. The cubic root of 468281909 is about 776.5494683586.

The spelling of 468281909 in words is "four hundred sixty-eight million, two hundred eighty-one thousand, nine hundred nine".