4630394209 has 9 divisors (see below), whose sum is σ = 5386931091. Its totient is φ = 3968501040.

The previous prime is 4630394129. The next prime is 4630394239. The reversal of 4630394209 is 9024930364.

The square root of 4630394209 is 68047.

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

It can be written as a sum of positive squares in only one way, i.e., 114554209 + 4515840000 = 10703^2 + 67200^2 .

It is not a de Polignac number, because 4630394209 - 2⁹ = 4630393697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4630394239) 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, 471469 + ... + 481189.

It is an arithmetic number, because the mean of its divisors is an integer number (598547899).

Almost surely, 2^4630394209 is an apocalyptic number.

4630394209 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4630394209 is the 68047-th square number.

4630394209 is the 34024-th centered octagonal number.

It is an amenable number.

4630394209 is a deficient number, since it is larger than the sum of its proper divisors (756536882).

4630394209 is an frugal number, since it uses more digits than its factorization.

4630394209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456 (or 9728 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The cubic root of 4630394209 is about 1666.7584111408.

The spelling of 4630394209 in words is "four billion, six hundred thirty million, three hundred ninety-four thousand, two hundred nine".