4064638712 has 8 divisors (see below), whose sum is σ = 7621197600. Its totient is φ = 2032319352.

The previous prime is 4064638703. The next prime is 4064638727. The reversal of 4064638712 is 2178364604.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4064638712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254039912 + ... + 254039927.

It is an arithmetic number, because the mean of its divisors is an integer number (952649700).

Almost surely, 2^4064638712 is an apocalyptic number.

It is an amenable number.

4064638712 is a deficient number, since it is larger than the sum of its proper divisors (3556558888).

4064638712 is a wasteful number, since it uses less digits than its factorization.

4064638712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508079845 (or 508079841 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 4064638712 is about 63754.5191496258. The cubic root of 4064638712 is about 1595.9060325369.

The spelling of 4064638712 in words is "four billion, sixty-four million, six hundred thirty-eight thousand, seven hundred twelve".