5649669464 has 16 divisors (see below), whose sum is σ = 10595959920. Its totient is φ = 2824080160.

The previous prime is 5649669463. The next prime is 5649669499. The reversal of 5649669464 is 4649669465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649669463) by changing a digit.

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, 61844 + ... + 122979.

It is an arithmetic number, because the mean of its divisors is an integer number (662247495).

Almost surely, 2^5649669464 is an apocalyptic number.

It is an amenable number.

5649669464 is a deficient number, since it is larger than the sum of its proper divisors (4946290456).

5649669464 is a wasteful number, since it uses less digits than its factorization.

5649669464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188650 (or 188646 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 59.

The square root of 5649669464 is about 75164.2831669404. The cubic root of 5649669464 is about 1781.0427614789.

Subtracting from 5649669464 its reverse (4649669465), we obtain a palindrome (999999999).

The spelling of 5649669464 in words is "five billion, six hundred forty-nine million, six hundred sixty-nine thousand, four hundred sixty-four".