5649723689664 has 56 divisors (see below), whose sum is σ = 15034633288560. Its totient is φ = 1872355431424.

The previous prime is 5649723689653. The next prime is 5649723689669. The reversal of 5649723689664 is 4669863279465.

It is not an unprimeable number, because it can be changed into a prime (5649723689669) 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, 85011999 + ... + 85078430.

Almost surely, 2^{5649723689664} is an apocalyptic number.

It is an amenable number.

5649723689664 is an abundant number, since it is smaller than the sum of its proper divisors (9384909598896).

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

5649723689664 is a wasteful number, since it uses less digits than its factorization.

5649723689664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170090617 (or 170090607 counting only the distinct ones).

The product of its digits is 2821754880, while the sum is 75.

The spelling of 5649723689664 in words is "five trillion, six hundred forty-nine billion, seven hundred twenty-three million, six hundred eighty-nine thousand, six hundred sixty-four".