73645108343 has 2 divisors, whose sum is σ = 73645108344. Its totient is φ = 73645108342.

The previous prime is 73645108331. The next prime is 73645108363. The reversal of 73645108343 is 34380154637.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73645108343 - 2⁸ = 73645108087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73645108294 and 73645108303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73645108363) 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 as a sum of consecutive naturals, namely, 36822554171 + 36822554172.

It is an arithmetic number, because the mean of its divisors is an integer number (36822554172).

Almost surely, 2^73645108343 is an apocalyptic number.

73645108343 is a deficient number, since it is larger than the sum of its proper divisors (1).

73645108343 is an equidigital number, since it uses as much as digits as its factorization.

73645108343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 73645108343 in words is "seventy-three billion, six hundred forty-five million, one hundred eight thousand, three hundred forty-three".