5243721404 has 12 divisors (see below), whose sum is σ = 9400330128. Its totient is φ = 2557912800.

The previous prime is 5243721377. The next prime is 5243721419. The reversal of 5243721404 is 4041273425.

It is a super-2 number, since 2×5243721404² = 54993228325535462432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15986792 + ... + 15987119.

It is an arithmetic number, because the mean of its divisors is an integer number (783360844).

Almost surely, 2^5243721404 is an apocalyptic number.

It is an amenable number.

5243721404 is a deficient number, since it is larger than the sum of its proper divisors (4156608724).

5243721404 is a wasteful number, since it uses less digits than its factorization.

5243721404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31973956 (or 31973954 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 5243721404 is about 72413.5443408207. The cubic root of 5243721404 is about 1737.3202026673.

Adding to 5243721404 its reverse (4041273425), we get a palindrome (9284994829).

The spelling of 5243721404 in words is "five billion, two hundred forty-three million, seven hundred twenty-one thousand, four hundred four".