6550713845 has 16 divisors (see below), whose sum is σ = 8475918192. Its totient is φ = 4831518720.

The previous prime is 6550713779. The next prime is 6550713857. The reversal of 6550713845 is 5483170556.

It can be written as a sum of positive squares in 8 ways, for example, as 1441037521 + 5109676324 = 37961^2 + 71482^2 .

It is not a de Polignac number, because 6550713845 - 2¹⁸ = 6550451701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6550713796 and 6550713805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8012 + ... + 114741.

It is an arithmetic number, because the mean of its divisors is an integer number (529744887).

Almost surely, 2^6550713845 is an apocalyptic number.

6550713845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6550713845 is a deficient number, since it is larger than the sum of its proper divisors (1925204347).

6550713845 is a wasteful number, since it uses less digits than its factorization.

6550713845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123592.

The product of its (nonzero) digits is 504000, while the sum is 44.

The square root of 6550713845 is about 80936.4803101790. The cubic root of 6550713845 is about 1871.0965996058.

The spelling of 6550713845 in words is "six billion, five hundred fifty million, seven hundred thirteen thousand, eight hundred forty-five".