4463951081 has 4 divisors (see below), whose sum is σ = 4464157572. Its totient is φ = 4463744592.

The previous prime is 4463951071. The next prime is 4463951087. The reversal of 4463951081 is 1801593644.

4463951081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 462250000 + 4001701081 = 21500^2 + 63259^2 .

It is a cyclic number.

It is not a de Polignac number, because 4463951081 - 2¹⁸ = 4463688937 is a prime.

It is a super-2 number, since 2×4463951081² = 39853718507122137122, 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 (4463951087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66446 + ... + 115511.

It is an arithmetic number, because the mean of its divisors is an integer number (1116039393).

Almost surely, 2^4463951081 is an apocalyptic number.

It is an amenable number.

4463951081 is a deficient number, since it is larger than the sum of its proper divisors (206491).

4463951081 is a wasteful number, since it uses less digits than its factorization.

4463951081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206490.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 4463951081 is about 66812.8062649669. The cubic root of 4463951081 is about 1646.5432475143.

The spelling of 4463951081 in words is "four billion, four hundred sixty-three million, nine hundred fifty-one thousand, eighty-one".