5112443621 has 4 divisors (see below), whose sum is σ = 5113888512. Its totient is φ = 5110998732.

The previous prime is 5112443599. The next prime is 5112443641. The reversal of 5112443621 is 1263442115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5112443621 - 2¹⁰ = 5112442597 is a prime.

It is a super-3 number, since 3×5112443621³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112443641) by changing a digit.

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, 717125 + ... + 724218.

It is an arithmetic number, because the mean of its divisors is an integer number (1278472128).

Almost surely, 2^5112443621 is an apocalyptic number.

It is an amenable number.

5112443621 is a deficient number, since it is larger than the sum of its proper divisors (1444891).

5112443621 is a wasteful number, since it uses less digits than its factorization.

5112443621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444890.

The product of its digits is 5760, while the sum is 29.

The square root of 5112443621 is about 71501.3539801870. The cubic root of 5112443621 is about 1722.6994322098.

Adding to 5112443621 its reverse (1263442115), we get a palindrome (6375885736).

The spelling of 5112443621 in words is "five billion, one hundred twelve million, four hundred forty-three thousand, six hundred twenty-one".