5491449716 has 6 divisors (see below), whose sum is σ = 9610037010. Its totient is φ = 2745724856.

The previous prime is 5491449713. The next prime is 5491449739. The reversal of 5491449716 is 6179441945.

It can be written as a sum of positive squares in only one way, i.e., 4948559716 + 542890000 = 70346^2 + 23300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491449713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686431211 + ... + 686431218.

It is an arithmetic number, because the mean of its divisors is an integer number (1601672835).

Almost surely, 2^5491449716 is an apocalyptic number.

It is an amenable number.

5491449716 is a deficient number, since it is larger than the sum of its proper divisors (4118587294).

5491449716 is a wasteful number, since it uses less digits than its factorization.

5491449716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372862433 (or 1372862431 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 5491449716 is about 74104.3164464797. The cubic root of 5491449716 is about 1764.2589817086.

The spelling of 5491449716 in words is "five billion, four hundred ninety-one million, four hundred forty-nine thousand, seven hundred sixteen".