1917676546361 has 2 divisors, whose sum is σ = 1917676546362. Its totient is φ = 1917676546360.

The previous prime is 1917676546337. The next prime is 1917676546411. The reversal of 1917676546361 is 1636456767191.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1850157642025 + 67518904336 = 1360205^2 + 259844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1917676546361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1917676546294 and 1917676546303.

It is not a weakly prime, because it can be changed into another prime (1917676546321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958838273180 + 958838273181.

It is an arithmetic number, because the mean of its divisors is an integer number (958838273181).

Almost surely, 2^{1917676546361} is an apocalyptic number.

It is an amenable number.

1917676546361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1917676546361 is an equidigital number, since it uses as much as digits as its factorization.

1917676546361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 62.

The spelling of 1917676546361 in words is "one trillion, nine hundred seventeen billion, six hundred seventy-six million, five hundred forty-six thousand, three hundred sixty-one".