6559476722 has 6 divisors (see below), whose sum is σ = 9839386893. Its totient is φ = 3279681092.

The previous prime is 6559476719. The next prime is 6559476727. The reversal of 6559476722 is 2276749556.

It can be written as a sum of positive squares in 2 ways, for example, as 4612990561 + 1946486161 = 67919^2 + 44119^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57269.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6559476727) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 85904 + ... + 143172.

Almost surely, 2^6559476722 is an apocalyptic number.

6559476722 is a deficient number, since it is larger than the sum of its proper divisors (3279910171).

6559476722 is an frugal number, since it uses more digits than its factorization.

6559476722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114540 (or 57271 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The square root of 6559476722 is about 80990.5965035448. The cubic root of 6559476722 is about 1871.9305486035.

The spelling of 6559476722 in words is "six billion, five hundred fifty-nine million, four hundred seventy-six thousand, seven hundred twenty-two".