5221617673 has 4 divisors (see below), whose sum is σ = 5222304640. Its totient is φ = 5220930708.

The previous prime is 5221617671. The next prime is 5221617679. The reversal of 5221617673 is 3767161225.

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 5221617673 - 2¹ = 5221617671 is a prime.

It is a super-2 number, since 2×5221617673² = 54530582245971869858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221617671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331953 + ... + 347326.

It is an arithmetic number, because the mean of its divisors is an integer number (1305576160).

Almost surely, 2^5221617673 is an apocalyptic number.

It is an amenable number.

5221617673 is a deficient number, since it is larger than the sum of its proper divisors (686967).

5221617673 is an equidigital number, since it uses as much as digits as its factorization.

5221617673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686966.

The product of its digits is 105840, while the sum is 40.

The square root of 5221617673 is about 72260.7616414330. The cubic root of 5221617673 is about 1734.8756701513.

Adding to 5221617673 its reverse (3767161225), we get a palindrome (8988778898).

The spelling of 5221617673 in words is "five billion, two hundred twenty-one million, six hundred seventeen thousand, six hundred seventy-three".