201317673913 has 2 divisors, whose sum is σ = 201317673914. Its totient is φ = 201317673912.

The previous prime is 201317673911. The next prime is 201317673919. The reversal of 201317673913 is 319376713102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158474055744 + 42843618169 = 398088^2 + 206987^2 .

It is a cyclic number.

It is not a de Polignac number, because 201317673913 - 2¹ = 201317673911 is a prime.

Together with 201317673911, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201317673913.

It is not a weakly prime, because it can be changed into another prime (201317673911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100658836956 + 100658836957.

It is an arithmetic number, because the mean of its divisors is an integer number (100658836957).

Almost surely, 2^201317673913 is an apocalyptic number.

It is an amenable number.

201317673913 is a deficient number, since it is larger than the sum of its proper divisors (1).

201317673913 is an equidigital number, since it uses as much as digits as its factorization.

201317673913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 201317673913 in words is "two hundred one billion, three hundred seventeen million, six hundred seventy-three thousand, nine hundred thirteen".