973681343 has 2 divisors, whose sum is σ = 973681344. Its totient is φ = 973681342.

The previous prime is 973681301. The next prime is 973681361. The reversal of 973681343 is 343186379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973681343 - 2¹⁴ = 973664959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 973681294 and 973681303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973681363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486840671 + 486840672.

It is an arithmetic number, because the mean of its divisors is an integer number (486840672).

Almost surely, 2^973681343 is an apocalyptic number.

973681343 is a deficient number, since it is larger than the sum of its proper divisors (1).

973681343 is an equidigital number, since it uses as much as digits as its factorization.

973681343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 973681343 is about 31203.8674365855. The cubic root of 973681343 is about 991.1490053564.

The spelling of 973681343 in words is "nine hundred seventy-three million, six hundred eighty-one thousand, three hundred forty-three".