4609459449 has 81 divisors (see below), whose sum is σ = 8025570189. Its totient is φ = 2541913920.

The previous prime is 4609459447. The next prime is 4609459457. The reversal of 4609459449 is 9449549064.

It is a happy number.

The square root of 4609459449 is 67893.

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

4609459449 is a `hidden beast` number, since 4 + 6 + 0 + 9 + 4 + 594 + 49 = 666.

4609459449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 619263225 + 3990196224 = 24885^2 + 63168^2 .

It is not a de Polignac number, because 4609459449 - 2¹ = 4609459447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4609459395 and 4609459404.

It is not an unprimeable number, because it can be changed into a prime (4609459447) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 75564879 + ... + 75564939.

Almost surely, 2^4609459449 is an apocalyptic number.

4609459449 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4609459449 is the 67893-rd square number.

4609459449 is the 33947-th centered octagonal number.

It is an amenable number.

4609459449 is a deficient number, since it is larger than the sum of its proper divisors (3416110740).

4609459449 is an equidigital number, since it uses as much as digits as its factorization.

4609459449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The cubic root of 4609459449 is about 1664.2427213937.

The spelling of 4609459449 in words is "four billion, six hundred nine million, four hundred fifty-nine thousand, four hundred forty-nine".