5649494772 has 12 divisors (see below), whose sum is σ = 13182154496. Its totient is φ = 1883164920.

The previous prime is 5649494731. The next prime is 5649494783. The reversal of 5649494772 is 2774949465.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235395604 + ... + 235395627.

Almost surely, 2^5649494772 is an apocalyptic number.

It is an amenable number.

5649494772 is an abundant number, since it is smaller than the sum of its proper divisors (7532659724).

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

5649494772 is a wasteful number, since it uses less digits than its factorization.

5649494772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470791238 (or 470791236 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The square root of 5649494772 is about 75163.1210900665. The cubic root of 5649494772 is about 1781.0244042322.

The spelling of 5649494772 in words is "five billion, six hundred forty-nine million, four hundred ninety-four thousand, seven hundred seventy-two".