4643990712 has 192 divisors, whose sum is σ = 13733913600. Its totient is φ = 1451701440.

The previous prime is 4643990699. The next prime is 4643990717. The reversal of 4643990712 is 2170993464.

It is a happy number.

4643990712 is a `hidden beast` number, since 464 + 39 + 90 + 71 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643990717) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36566793 + ... + 36566919.

It is an arithmetic number, because the mean of its divisors is an integer number (71530800).

Almost surely, 2^4643990712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4643990712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6866956800).

4643990712 is an abundant number, since it is smaller than the sum of its proper divisors (9089922888).

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

4643990712 is a wasteful number, since it uses less digits than its factorization.

4643990712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 4643990712 is about 68146.8320026691. The cubic root of 4643990712 is about 1668.3882176961.

The spelling of 4643990712 in words is "four billion, six hundred forty-three million, nine hundred ninety thousand, seven hundred twelve".