5649225664 has 56 divisors (see below), whose sum is σ = 11886943968. Its totient is φ = 2654576640.

The previous prime is 5649225643. The next prime is 5649225709. The reversal of 5649225664 is 4665229465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824557 + ... + 831379.

Almost surely, 2^5649225664 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 5649225664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5943471984).

5649225664 is an abundant number, since it is smaller than the sum of its proper divisors (6237718304).

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

5649225664 is a wasteful number, since it uses less digits than its factorization.

5649225664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7603 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The square root of 5649225664 is about 75161.3309089188. The cubic root of 5649225664 is about 1780.9961246812.

The spelling of 5649225664 in words is "five billion, six hundred forty-nine million, two hundred twenty-five thousand, six hundred sixty-four".