4639990012 has 24 divisors (see below), whose sum is σ = 9410688000. Its totient is φ = 1960558320.

The previous prime is 4639989983. The next prime is 4639990027. The reversal of 4639990012 is 2100999364.

It is a super-2 number, since 2×4639990012² = 43059014622919520288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165012 + ... + 1168987.

It is an arithmetic number, because the mean of its divisors is an integer number (392112000).

Almost surely, 2^4639990012 is an apocalyptic number.

It is an amenable number.

4639990012 is an abundant number, since it is smaller than the sum of its proper divisors (4770697988).

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

4639990012 is a wasteful number, since it uses less digits than its factorization.

4639990012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334081 (or 2334079 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 4639990012 is about 68117.4721492217. The cubic root of 4639990012 is about 1667.9089863062.

The spelling of 4639990012 in words is "four billion, six hundred thirty-nine million, nine hundred ninety thousand, twelve".