4989346432 has 64 divisors (see below), whose sum is σ = 11408904000. Its totient is φ = 2129025024.

The previous prime is 4989346393. The next prime is 4989346433. The reversal of 4989346432 is 2346439894.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4989346432² = 49787155637022261248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4989346432.

It is not an unprimeable number, because it can be changed into a prime (4989346433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196819 + ... + 220717.

It is an arithmetic number, because the mean of its divisors is an integer number (178264125).

Almost surely, 2^4989346432 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 4989346432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5704452000).

4989346432 is an abundant number, since it is smaller than the sum of its proper divisors (6419557568).

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

4989346432 is a wasteful number, since it uses less digits than its factorization.

4989346432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24153 (or 24141 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The square root of 4989346432 is about 70635.3058462976. The cubic root of 4989346432 is about 1708.7605934092.

The spelling of 4989346432 in words is "four billion, nine hundred eighty-nine million, three hundred forty-six thousand, four hundred thirty-two".