4979519664 has 80 divisors (see below), whose sum is σ = 14743437312. Its totient is φ = 1418655744.

The previous prime is 4979519641. The next prime is 4979519693. The reversal of 4979519664 is 4669159794.

It is a junction number, because it is equal to n+sod(n) for n = 4979519598 and 4979519607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97617 + ... + 139599.

Almost surely, 2^4979519664 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 4979519664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7371718656).

4979519664 is an abundant number, since it is smaller than the sum of its proper divisors (9763917648).

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

4979519664 is a wasteful number, since it uses less digits than its factorization.

4979519664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42354 (or 42348 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 4979519664 is about 70565.7116735883. The cubic root of 4979519664 is about 1707.6380262094.

The spelling of 4979519664 in words is "four billion, nine hundred seventy-nine million, five hundred nineteen thousand, six hundred sixty-four".