5493090816 has 140 divisors (see below), whose sum is σ = 16456769802. Its totient is φ = 1830905856.

The previous prime is 5493090797. The next prime is 5493090833. The reversal of 5493090816 is 6180903945.

It is a happy number.

5493090816 is a `hidden beast` number, since 549 + 3 + 0 + 90 + 8 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5080838400 + 412252416 = 71280^2 + 20304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 365890 + ... + 380606.

Almost surely, 2^5493090816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5493090816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8228384901).

5493090816 is an abundant number, since it is smaller than the sum of its proper divisors (10963678986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5493090816 is an frugal number, since it uses more digits than its factorization.

5493090816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14753 (or 14722 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 5493090816 is about 74115.3885235718. The cubic root of 5493090816 is about 1764.4347116884.

The spelling of 5493090816 in words is "five billion, four hundred ninety-three million, ninety thousand, eight hundred sixteen".