5013403621 has 4 divisors (see below), whose sum is σ = 5013602892. Its totient is φ = 5013204352.

The previous prime is 5013403609. The next prime is 5013403663. The reversal of 5013403621 is 1263043105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1263043105 = 5 ⋅252608621.

It can be written as a sum of positive squares in 2 ways, for example, as 87329025 + 4926074596 = 9345^2 + 70186^2 .

It is a cyclic number.

It is not a de Polignac number, because 5013403621 - 2¹¹ = 5013401573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5013403601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55330 + ... + 114403.

It is an arithmetic number, because the mean of its divisors is an integer number (1253400723).

Almost surely, 2^5013403621 is an apocalyptic number.

It is an amenable number.

5013403621 is a deficient number, since it is larger than the sum of its proper divisors (199271).

5013403621 is a wasteful number, since it uses less digits than its factorization.

5013403621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199270.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5013403621 is about 70805.3925983043. The cubic root of 5013403621 is about 1711.5025746326.

Adding to 5013403621 its reverse (1263043105), we get a palindrome (6276446726).

The spelling of 5013403621 in words is "five billion, thirteen million, four hundred three thousand, six hundred twenty-one".