5649646490 has 16 divisors (see below), whose sum is σ = 10291887648. Its totient is φ = 2232631056.

The previous prime is 5649646489. The next prime is 5649646493. The reversal of 5649646490 is 946469465.

It is not an unprimeable number, because it can be changed into a prime (5649646493) 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 7 ways as a sum of consecutive naturals, for example, 3402572 + ... + 3404231.

It is an arithmetic number, because the mean of its divisors is an integer number (643242978).

Almost surely, 2^5649646490 is an apocalyptic number.

5649646490 is a deficient number, since it is larger than the sum of its proper divisors (4642241158).

5649646490 is a wasteful number, since it uses less digits than its factorization.

5649646490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806893.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The square root of 5649646490 is about 75164.1303415399. The cubic root of 5649646490 is about 1781.0403473122.

The spelling of 5649646490 in words is "five billion, six hundred forty-nine million, six hundred forty-six thousand, four hundred ninety".