80174718649 has 8 divisors (see below), whose sum is σ = 80423434728. Its totient is φ = 79926067200.

The previous prime is 80174718583. The next prime is 80174718671. The reversal of 80174718649 is 94681747108.

It can be written as a sum of positive squares in 4 ways, for example, as 10989225 + 80163729424 = 3315^2 + 283132^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 80174718649 - 2²⁵ = 80141164217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80174718649.

It is not an unprimeable number, because it can be changed into a prime (80174718049) by changing a digit.

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, 3958749 + ... + 3978949.

It is an arithmetic number, because the mean of its divisors is an integer number (10052929341).

Almost surely, 2^80174718649 is an apocalyptic number.

It is an amenable number.

80174718649 is a deficient number, since it is larger than the sum of its proper divisors (248716079).

80174718649 is a wasteful number, since it uses less digits than its factorization.

80174718649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32315.

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

The spelling of 80174718649 in words is "eighty billion, one hundred seventy-four million, seven hundred eighteen thousand, six hundred forty-nine".