4685443688 has 8 divisors (see below), whose sum is σ = 8785206930. Its totient is φ = 2342721840.

The previous prime is 4685443687. The next prime is 4685443709. The reversal of 4685443688 is 8863445864.

It can be written as a sum of positive squares in only one way, i.e., 3542868484 + 1142575204 = 59522^2 + 33802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4685443687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292840223 + ... + 292840238.

Almost surely, 2^4685443688 is an apocalyptic number.

It is an amenable number.

4685443688 is a deficient number, since it is larger than the sum of its proper divisors (4099763242).

4685443688 is a wasteful number, since it uses less digits than its factorization.

4685443688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585680467 (or 585680463 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 56.

The square root of 4685443688 is about 68450.3008612818. The cubic root of 4685443688 is about 1673.3376170992.

The spelling of 4685443688 in words is "four billion, six hundred eighty-five million, four hundred forty-three thousand, six hundred eighty-eight".