4658472009 has 9 divisors (see below), whose sum is σ = 6729199789. Its totient is φ = 3105511500.

The previous prime is 4658471969. The next prime is 4658472017. The reversal of 4658472009 is 9002748564.

It is a happy number.

The square root of 4658472009 is 68253.

It is a perfect power (a square), and thus also a powerful number.

4658472009 is a `hidden beast` number, since 46 + 584 + 7 + 20 + 0 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4658472009 - 2²¹ = 4656374857 is a prime.

It is a super-2 number, since 2×4658472009² = 43402722917272992162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4658472019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 193384 + ... + 216134.

Almost surely, 2^4658472009 is an apocalyptic number.

4658472009 is the 68253-rd square number.

4658472009 is the 34127-th centered octagonal number.

It is an amenable number.

4658472009 is a deficient number, since it is larger than the sum of its proper divisors (2070727780).

4658472009 is an frugal number, since it uses more digits than its factorization.

4658472009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45508 (or 22754 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The cubic root of 4658472009 is about 1670.1205894969.

It can be divided in two parts, 465847 and 2009, that added together give a square (467856 = 684²).

The spelling of 4658472009 in words is "four billion, six hundred fifty-eight million, four hundred seventy-two thousand, nine".