4686688630642 has 8 divisors (see below), whose sum is σ = 7031965877676. Its totient is φ = 2342700004752.

The previous prime is 4686688630609. The next prime is 4686688630691. The reversal of 4686688630642 is 2460368866864.

It can be written as a sum of positive squares in 2 ways, for example, as 4662140321601 + 24548309041 = 2159199^2 + 156679^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322146193 + ... + 322160740.

Almost surely, 2^{4686688630642} is an apocalyptic number.

4686688630642 is a deficient number, since it is larger than the sum of its proper divisors (2345277247034).

4686688630642 is a wasteful number, since it uses less digits than its factorization.

4686688630642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644310572.

The product of its (nonzero) digits is 382205952, while the sum is 67.

The spelling of 4686688630642 in words is "four trillion, six hundred eighty-six billion, six hundred eighty-eight million, six hundred thirty thousand, six hundred forty-two".