316649092073 has 4 divisors (see below), whose sum is σ = 316687393860. Its totient is φ = 316610790288.

The previous prime is 316649092069. The next prime is 316649092093. The reversal of 316649092073 is 370290946613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 244735015849 + 71914076224 = 494707^2 + 268168^2 .

It is a cyclic number.

It is not a de Polignac number, because 316649092073 - 2² = 316649092069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316649092093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19138490 + ... + 19155027.

It is an arithmetic number, because the mean of its divisors is an integer number (79171848465).

Almost surely, 2^316649092073 is an apocalyptic number.

It is an amenable number.

316649092073 is a deficient number, since it is larger than the sum of its proper divisors (38301787).

316649092073 is an equidigital number, since it uses as much as digits as its factorization.

316649092073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38301786.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The spelling of 316649092073 in words is "three hundred sixteen billion, six hundred forty-nine million, ninety-two thousand, seventy-three".