5249521569 has 8 divisors (see below), whose sum is σ = 7005344032. Its totient is φ = 3496690080.

The previous prime is 5249521567. The next prime is 5249521573. The reversal of 5249521569 is 9651259425.

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

It is not a de Polignac number, because 5249521569 - 2¹ = 5249521567 is a prime.

It is a super-2 number, since 2×5249521569² = 55114953406792443522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5249521567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743644 + ... + 750669.

It is an arithmetic number, because the mean of its divisors is an integer number (875668004).

Almost surely, 2^5249521569 is an apocalyptic number.

It is an amenable number.

5249521569 is a deficient number, since it is larger than the sum of its proper divisors (1755822463).

5249521569 is a wasteful number, since it uses less digits than its factorization.

5249521569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495487.

The product of its digits is 972000, while the sum is 48.

The square root of 5249521569 is about 72453.5821681716. The cubic root of 5249521569 is about 1737.9605259536.

The spelling of 5249521569 in words is "five billion, two hundred forty-nine million, five hundred twenty-one thousand, five hundred sixty-nine".