71673083243 has 2 divisors, whose sum is σ = 71673083244. Its totient is φ = 71673083242.

The previous prime is 71673083219. The next prime is 71673083297. The reversal of 71673083243 is 34238037617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71673083243 - 2⁶ = 71673083179 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 71673083194 and 71673083203.

It is not a weakly prime, because it can be changed into another prime (71673083843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35836541621 + 35836541622.

It is an arithmetic number, because the mean of its divisors is an integer number (35836541622).

Almost surely, 2^71673083243 is an apocalyptic number.

71673083243 is a deficient number, since it is larger than the sum of its proper divisors (1).

71673083243 is an equidigital number, since it uses as much as digits as its factorization.

71673083243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 71673083243 in words is "seventy-one billion, six hundred seventy-three million, eighty-three thousand, two hundred forty-three".