5409904961 has 4 divisors (see below), whose sum is σ = 5470690500. Its totient is φ = 5349119424.

The previous prime is 5409904937. The next prime is 5409904991. The reversal of 5409904961 is 1694099045.

5409904961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3564687025 + 1845217936 = 59705^2 + 42956^2 .

It is a cyclic number.

It is not a de Polignac number, because 5409904961 - 2³⁰ = 4336163137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5409904921) 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 3 ways as a sum of consecutive naturals, for example, 30392636 + ... + 30392813.

It is an arithmetic number, because the mean of its divisors is an integer number (1367672625).

Almost surely, 2^5409904961 is an apocalyptic number.

It is an amenable number.

5409904961 is a deficient number, since it is larger than the sum of its proper divisors (60785539).

5409904961 is an equidigital number, since it uses as much as digits as its factorization.

5409904961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60785538.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 5409904961 is about 73552.0561303353. The cubic root of 5409904961 is about 1755.4826648404.

The spelling of 5409904961 in words is "five billion, four hundred nine million, nine hundred four thousand, nine hundred sixty-one".