5104516621 has 4 divisors (see below), whose sum is σ = 5105540700. Its totient is φ = 5103492544.

The previous prime is 5104516619. The next prime is 5104516657. The reversal of 5104516621 is 1266154015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2200923396 + 2903593225 = 46914^2 + 53885^2 .

It is a cyclic number.

It is not a de Polignac number, because 5104516621 - 2¹ = 5104516619 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 (5104519621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504526 + ... + 514543.

It is an arithmetic number, because the mean of its divisors is an integer number (1276385175).

Almost surely, 2^5104516621 is an apocalyptic number.

It is an amenable number.

5104516621 is a deficient number, since it is larger than the sum of its proper divisors (1024079).

5104516621 is a wasteful number, since it uses less digits than its factorization.

5104516621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024078.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5104516621 is about 71445.8999593399. The cubic root of 5104516621 is about 1721.8086056026.

The spelling of 5104516621 in words is "five billion, one hundred four million, five hundred sixteen thousand, six hundred twenty-one".