5021133621 has 16 divisors (see below), whose sum is σ = 7672111104. Its totient is φ = 2861396784.

The previous prime is 5021133589. The next prime is 5021133641. The reversal of 5021133621 is 1263311205.

5021133621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5021133621 - 2⁵ = 5021133589 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5021133591 and 5021133600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021133641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318045 + ... + 333458.

It is an arithmetic number, because the mean of its divisors is an integer number (479506944).

Almost surely, 2^5021133621 is an apocalyptic number.

It is an amenable number.

5021133621 is a deficient number, since it is larger than the sum of its proper divisors (2650977483).

5021133621 is a wasteful number, since it uses less digits than its factorization.

5021133621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651880.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 5021133621 is about 70859.9578111644. The cubic root of 5021133621 is about 1712.3817591901.

Adding to 5021133621 its reverse (1263311205), we get a palindrome (6284444826).

The spelling of 5021133621 in words is "five billion, twenty-one million, one hundred thirty-three thousand, six hundred twenty-one".