4491546361 has 9 divisors (see below), whose sum is σ = 4653781743. Its totient is φ = 4334788920.

The previous prime is 4491546317. The next prime is 4491546377. The reversal of 4491546361 is 1636451944.

The square root of 4491546361 is 67019.

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., 2355257961 + 2136288400 = 48531^2 + 46220^2 .

It is not a de Polignac number, because 4491546361 - 2²³ = 4483157753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4491546061) 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, 1942396 + ... + 1944706.

Almost surely, 2^4491546361 is an apocalyptic number.

4491546361 is the 67019-th square number.

4491546361 is the 33510-th centered octagonal number.

It is an amenable number.

4491546361 is a deficient number, since it is larger than the sum of its proper divisors (162235382).

4491546361 is an frugal number, since it uses more digits than its factorization.

4491546361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680 (or 2340 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The cubic root of 4491546361 is about 1649.9291504320.

The spelling of 4491546361 in words is "four billion, four hundred ninety-one million, five hundred forty-six thousand, three hundred sixty-one".