5651544685 has 8 divisors (see below), whose sum is σ = 7180786296. Its totient is φ = 4255280640.

The previous prime is 5651544611. The next prime is 5651544697. The reversal of 5651544685 is 5864451565.

It can be written as a sum of positive squares in 4 ways, for example, as 2978758084 + 2672786601 = 54578^2 + 51699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5651544685 - 2¹⁷ = 5651413613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33244296 + ... + 33244465.

It is an arithmetic number, because the mean of its divisors is an integer number (897598287).

Almost surely, 2^5651544685 is an apocalyptic number.

It is an amenable number.

5651544685 is a deficient number, since it is larger than the sum of its proper divisors (1529241611).

5651544685 is a wasteful number, since it uses less digits than its factorization.

5651544685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66488783.

The product of its digits is 2880000, while the sum is 49.

The square root of 5651544685 is about 75176.7562814465. The cubic root of 5651544685 is about 1781.2397924356.

The spelling of 5651544685 in words is "five billion, six hundred fifty-one million, five hundred forty-four thousand, six hundred eighty-five".