5219815388 has 12 divisors (see below), whose sum is σ = 9672010992. Its totient is φ = 2456383680.

The previous prime is 5219815369. The next prime is 5219815409. The reversal of 5219815388 is 8835189125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38380928 + ... + 38381063.

It is an arithmetic number, because the mean of its divisors is an integer number (806000916).

Almost surely, 2^5219815388 is an apocalyptic number.

It is an amenable number.

5219815388 is a deficient number, since it is larger than the sum of its proper divisors (4452195604).

5219815388 is a wasteful number, since it uses less digits than its factorization.

5219815388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76762012 (or 76762010 counting only the distinct ones).

The product of its digits is 691200, while the sum is 50.

The square root of 5219815388 is about 72248.2898621137. The cubic root of 5219815388 is about 1734.6760449009.

The spelling of 5219815388 in words is "five billion, two hundred nineteen million, eight hundred fifteen thousand, three hundred eighty-eight".