4488466681 has 8 divisors (see below), whose sum is σ = 4563116424. Its totient is φ = 4413851520.

The previous prime is 4488466673. The next prime is 4488466693. The reversal of 4488466681 is 1866648844.

It can be written as a sum of positive squares in 4 ways, for example, as 39576681 + 4448890000 = 6291^2 + 66700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4488466681 - 2³ = 4488466673 is a prime.

It is a super-2 number, since 2×4488466681² = 40292666292894311522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4488466621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472131 + ... + 481543.

It is an arithmetic number, because the mean of its divisors is an integer number (570389553).

Almost surely, 2^4488466681 is an apocalyptic number.

It is an amenable number.

4488466681 is a deficient number, since it is larger than the sum of its proper divisors (74649743).

4488466681 is an equidigital number, since it uses as much as digits as its factorization.

4488466681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17291.

The product of its digits is 7077888, while the sum is 55.

The square root of 4488466681 is about 66996.0198892442. The cubic root of 4488466681 is about 1649.5519666308.

The spelling of 4488466681 in words is "four billion, four hundred eighty-eight million, four hundred sixty-six thousand, six hundred eighty-one".