5409521549 has 8 divisors (see below), whose sum is σ = 5491126080. Its totient is φ = 5328379936.

The previous prime is 5409521527. The next prime is 5409521563. The reversal of 5409521549 is 9451259045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5409521549 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 (5409521599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92147 + ... + 138960.

It is an arithmetic number, because the mean of its divisors is an integer number (686390760).

Almost surely, 2^5409521549 is an apocalyptic number.

It is an amenable number.

5409521549 is a deficient number, since it is larger than the sum of its proper divisors (81604531).

5409521549 is a wasteful number, since it uses less digits than its factorization.

5409521549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231459.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 5409521549 is about 73549.4496852288. The cubic root of 5409521549 is about 1755.4411922067.

The spelling of 5409521549 in words is "five billion, four hundred nine million, five hundred twenty-one thousand, five hundred forty-nine".