5409196561 has 8 divisors (see below), whose sum is σ = 5786431560. Its totient is φ = 5038522368.

The previous prime is 5409196553. The next prime is 5409196679. The reversal of 5409196561 is 1656919045.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 821166336 + 4588030225 = 28656^2 + 67735^2 .

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 5409196561 - 2³ = 5409196553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5409196361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638496 + ... + 1641793.

It is an arithmetic number, because the mean of its divisors is an integer number (723303945).

Almost surely, 2^5409196561 is an apocalyptic number.

It is an amenable number.

5409196561 is a deficient number, since it is larger than the sum of its proper divisors (377234999).

5409196561 is a wasteful number, since it uses less digits than its factorization.

5409196561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280403.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 5409196561 is about 73547.2403357189. The cubic root of 5409196561 is about 1755.4060376037.

The spelling of 5409196561 in words is "five billion, four hundred nine million, one hundred ninety-six thousand, five hundred sixty-one".