4688387081 has 20 divisors (see below), whose sum is σ = 5477814864. Its totient is φ = 4012482600.

The previous prime is 4688387069. The next prime is 4688387107. The reversal of 4688387081 is 1807838864.

It is a happy number.

It is not a de Polignac number, because 4688387081 - 2¹⁴ = 4688370697 is a prime.

It is a super-2 number, since 2×4688387081² = 43961946842575401122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4688387581) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2330366 + ... + 2332376.

Almost surely, 2^4688387081 is an apocalyptic number.

It is an amenable number.

4688387081 is a deficient number, since it is larger than the sum of its proper divisors (789427783).

4688387081 is an frugal number, since it uses more digits than its factorization.

4688387081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010 (or 2989 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The square root of 4688387081 is about 68471.7977053327. The cubic root of 4688387081 is about 1673.6879403244.

The spelling of 4688387081 in words is "four billion, six hundred eighty-eight million, three hundred eighty-seven thousand, eighty-one".