5491164409 has 8 divisors (see below), whose sum is σ = 5531590400. Its totient is φ = 5450867136.

The previous prime is 5491164391. The next prime is 5491164431. The reversal of 5491164409 is 9044611945.

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 5491164409 - 2¹⁵ = 5491131641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5491164439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54304 + ... + 118030.

It is an arithmetic number, because the mean of its divisors is an integer number (691448800).

Almost surely, 2^5491164409 is an apocalyptic number.

It is an amenable number.

5491164409 is a deficient number, since it is larger than the sum of its proper divisors (40425991).

5491164409 is a wasteful number, since it uses less digits than its factorization.

5491164409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64359.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 5491164409 is about 74102.3913851638. The cubic root of 5491164409 is about 1764.2284272903.

The spelling of 5491164409 in words is "five billion, four hundred ninety-one million, one hundred sixty-four thousand, four hundred nine".