4739489664 has 256 divisors, whose sum is σ = 16170900480. Its totient is φ = 1195425792.

The previous prime is 4739489621. The next prime is 4739489681. The reversal of 4739489664 is 4669849374.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4739489598 and 4739489607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 800764 + ... + 806660.

It is an arithmetic number, because the mean of its divisors is an integer number (63167580).

Almost surely, 2^4739489664 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 4739489664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8085450240).

4739489664 is an abundant number, since it is smaller than the sum of its proper divisors (11431410816).

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

4739489664 is a wasteful number, since it uses less digits than its factorization.

4739489664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957 (or 5945 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 60.

The square root of 4739489664 is about 68843.9515426010. The cubic root of 4739489664 is about 1679.7469460120.

The spelling of 4739489664 in words is "four billion, seven hundred thirty-nine million, four hundred eighty-nine thousand, six hundred sixty-four".