5524981669 has 2 divisors, whose sum is σ = 5524981670. Its totient is φ = 5524981668.

The previous prime is 5524981667. The next prime is 5524981687. The reversal of 5524981669 is 9661894255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3640553569 + 1884428100 = 60337^2 + 43410^2 .

It is a cyclic number.

It is not a de Polignac number, because 5524981669 - 2¹ = 5524981667 is a prime.

It is a super-2 number, since 2×5524981669² = 61050844885572051122, which contains 22 as substring.

Together with 5524981667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5524981667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762490834 + 2762490835.

It is an arithmetic number, because the mean of its divisors is an integer number (2762490835).

Almost surely, 2^5524981669 is an apocalyptic number.

It is an amenable number.

5524981669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5524981669 is an equidigital number, since it uses as much as digits as its factorization.

5524981669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4665600, while the sum is 55.

The square root of 5524981669 is about 74330.2204288404. The cubic root of 5524981669 is about 1767.8426767605.

The spelling of 5524981669 in words is "five billion, five hundred twenty-four million, nine hundred eighty-one thousand, six hundred sixty-nine".