5218311584 has 12 divisors (see below), whose sum is σ = 10273550994. Its totient is φ = 2609155776.

The previous prime is 5218311559. The next prime is 5218311589. The reversal of 5218311584 is 4851138125.

It can be written as a sum of positive squares in only one way, i.e., 5129424400 + 88887184 = 71620^2 + 9428^2 .

It is not an unprimeable number, because it can be changed into a prime (5218311589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81536087 + ... + 81536150.

Almost surely, 2^5218311584 is an apocalyptic number.

It is an amenable number.

5218311584 is a deficient number, since it is larger than the sum of its proper divisors (5055239410).

5218311584 is a wasteful number, since it uses less digits than its factorization.

5218311584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163072247 (or 163072239 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 5218311584 is about 72237.8819180075. The cubic root of 5218311584 is about 1734.5094449268.

The spelling of 5218311584 in words is "five billion, two hundred eighteen million, three hundred eleven thousand, five hundred eighty-four".