4486509681 has 8 divisors (see below), whose sum is σ = 5982419424. Its totient is φ = 2990803200.

The previous prime is 4486509631. The next prime is 4486509707. The reversal of 4486509681 is 1869056844.

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

It is not a de Polignac number, because 4486509681 - 2⁶ = 4486509617 is a prime.

It is a super-2 number, since 2×4486509681² = 40257538235413443522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4486509631) 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, 11665 + ... + 95441.

It is an arithmetic number, because the mean of its divisors is an integer number (747802428).

Almost surely, 2^4486509681 is an apocalyptic number.

It is an amenable number.

4486509681 is a deficient number, since it is larger than the sum of its proper divisors (1495909743).

4486509681 is a wasteful number, since it uses less digits than its factorization.

4486509681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101631.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 4486509681 is about 66981.4129516540. The cubic root of 4486509681 is about 1649.3121933994.

The spelling of 4486509681 in words is "four billion, four hundred eighty-six million, five hundred nine thousand, six hundred eighty-one".