5049315664 has 60 divisors (see below), whose sum is σ = 10347144660. Its totient is φ = 2386667520.

The previous prime is 5049315653. The next prime is 5049315701. The reversal of 5049315664 is 4665139405.

It can be written as a sum of positive squares in 2 ways, for example, as 1259682064 + 3789633600 = 35492^2 + 61560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5049315664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5365434 + ... + 5366374.

It is an arithmetic number, because the mean of its divisors is an integer number (172452411).

Almost surely, 2^5049315664 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 5049315664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5173572330).

5049315664 is an abundant number, since it is smaller than the sum of its proper divisors (5297828996).

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

5049315664 is a wasteful number, since it uses less digits than its factorization.

5049315664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 5049315664 is about 71058.5368833330. The cubic root of 5049315664 is about 1715.5794707064.

The spelling of 5049315664 in words is "five billion, forty-nine million, three hundred fifteen thousand, six hundred sixty-four".