5215821936 has 160 divisors (see below), whose sum is σ = 15334851840. Its totient is φ = 1514391552.

The previous prime is 5215821931. The next prime is 5215821943. The reversal of 5215821936 is 6391285125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215821931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3639076 + ... + 3640508.

It is an arithmetic number, because the mean of its divisors is an integer number (95842824).

Almost surely, 2^5215821936 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 5215821936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7667425920).

5215821936 is an abundant number, since it is smaller than the sum of its proper divisors (10119029904).

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

5215821936 is a wasteful number, since it uses less digits than its factorization.

5215821936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1777 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 5215821936 is about 72220.6475739452. The cubic root of 5215821936 is about 1734.2335571652.

The spelling of 5215821936 in words is "five billion, two hundred fifteen million, eight hundred twenty-one thousand, nine hundred thirty-six".