17479881064 has 8 divisors (see below), whose sum is σ = 32774777010. Its totient is φ = 8739940528.

The previous prime is 17479881011. The next prime is 17479881071. The reversal of 17479881064 is 46018897471.

It can be written as a sum of positive squares in only one way, i.e., 8894376100 + 8585504964 = 94310^2 + 92658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 17479880996 and 17479881014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092492559 + ... + 1092492574.

Almost surely, 2^17479881064 is an apocalyptic number.

It is an amenable number.

17479881064 is a deficient number, since it is larger than the sum of its proper divisors (15294895946).

17479881064 is a wasteful number, since it uses less digits than its factorization.

17479881064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184985139 (or 2184985135 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 17479881064 in words is "seventeen billion, four hundred seventy-nine million, eight hundred eighty-one thousand, sixty-four".