5113216621 has 8 divisors (see below), whose sum is σ = 5238814464. Its totient is φ = 4988319120.

The previous prime is 5113216583. The next prime is 5113216627. The reversal of 5113216621 is 1266123115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5113216621 - 2⁹ = 5113216109 is a prime.

It is a super-2 number, since 2×5113216621² = 52289968426541315282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5113216621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5113216627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160290 + ... + 189523.

It is an arithmetic number, because the mean of its divisors is an integer number (654851808).

Almost surely, 2^5113216621 is an apocalyptic number.

It is an amenable number.

5113216621 is a deficient number, since it is larger than the sum of its proper divisors (125597843).

5113216621 is a wasteful number, since it uses less digits than its factorization.

5113216621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350171.

The product of its digits is 2160, while the sum is 28.

The square root of 5113216621 is about 71506.7592679182. The cubic root of 5113216621 is about 1722.7862517199.

Adding to 5113216621 its reverse (1266123115), we get a palindrome (6379339736).

The spelling of 5113216621 in words is "five billion, one hundred thirteen million, two hundred sixteen thousand, six hundred twenty-one".