4639350912 has 128 divisors (see below), whose sum is σ = 14107530240. Its totient is φ = 1323291648.

The previous prime is 4639350901. The next prime is 4639350917. The reversal of 4639350912 is 2190539364.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (4639350917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2221933 + ... + 2224019.

It is an arithmetic number, because the mean of its divisors is an integer number (110215080).

Almost surely, 2^4639350912 is an apocalyptic number.

4639350912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4639350912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7053765120).

4639350912 is an abundant number, since it is smaller than the sum of its proper divisors (9468179328).

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

4639350912 is a wasteful number, since it uses less digits than its factorization.

4639350912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2926 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 4639350912 is about 68112.7808270959. The cubic root of 4639350912 is about 1667.8324049935.

The spelling of 4639350912 in words is "four billion, six hundred thirty-nine million, three hundred fifty thousand, nine hundred twelve".