5649955689 has 16 divisors (see below), whose sum is σ = 8618390528. Its totient is φ = 3225195792.

The previous prime is 5649955643. The next prime is 5649955783. The reversal of 5649955689 is 9865599465.

It is not a de Polignac number, because 5649955689 - 2⁹ = 5649955177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5649955489) 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 15 ways as a sum of consecutive naturals, for example, 118807 + ... + 159420.

It is an arithmetic number, because the mean of its divisors is an integer number (538649408).

Almost surely, 2^5649955689 is an apocalyptic number.

It is an amenable number.

5649955689 is a deficient number, since it is larger than the sum of its proper divisors (2968434839).

5649955689 is a wasteful number, since it uses less digits than its factorization.

5649955689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279204.

The product of its digits is 104976000, while the sum is 66.

The square root of 5649955689 is about 75166.1871388991. The cubic root of 5649955689 is about 1781.0728381857.

The spelling of 5649955689 in words is "five billion, six hundred forty-nine million, nine hundred fifty-five thousand, six hundred eighty-nine".