4454628049 has 9 divisors (see below), whose sum is σ = 4605100059. Its totient is φ = 4308928080.

The previous prime is 4454628047. The next prime is 4454628067. The reversal of 4454628049 is 9408264544.

The square root of 4454628049 is 66743.

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., 328878225 + 4125749824 = 18135^2 + 64232^2 .

It is not a de Polignac number, because 4454628049 - 2¹ = 4454628047 is a prime.

It is a super-2 number, since 2×4454628049² = 39687422109875092802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4454628047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2067957 + ... + 2070109.

Almost surely, 2^4454628049 is an apocalyptic number.

4454628049 is the 66743-rd square number.

4454628049 is the 33372-nd centered octagonal number.

It is an amenable number.

4454628049 is a deficient number, since it is larger than the sum of its proper divisors (150472010).

4454628049 is an frugal number, since it uses more digits than its factorization.

4454628049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368 (or 2184 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The cubic root of 4454628049 is about 1645.3961714299.

The spelling of 4454628049 in words is "four billion, four hundred fifty-four million, six hundred twenty-eight thousand, forty-nine".