4639680012 has 48 divisors (see below), whose sum is σ = 12061389312. Its totient is φ = 1376047680.

The previous prime is 4639679999. The next prime is 4639680029. The reversal of 4639680012 is 2100869364.

It is a super-3 number, since 3×4639680012³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367723 + ... + 380130.

It is an arithmetic number, because the mean of its divisors is an integer number (251278944).

Almost surely, 2^4639680012 is an apocalyptic number.

It is an amenable number.

4639680012 is an abundant number, since it is smaller than the sum of its proper divisors (7421709300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4639680012 is a wasteful number, since it uses less digits than its factorization.

4639680012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747918 (or 747916 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 4639680012 is about 68115.1966304143. The cubic root of 4639680012 is about 1667.8718408741.

The spelling of 4639680012 in words is "four billion, six hundred thirty-nine million, six hundred eighty thousand, twelve".