73143784339 has 2 divisors, whose sum is σ = 73143784340. Its totient is φ = 73143784338.

The previous prime is 73143784319. The next prime is 73143784361. The reversal of 73143784339 is 93348734137.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73143784339 - 2¹¹ = 73143782291 is a prime.

It is not a weakly prime, because it can be changed into another prime (73143784309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36571892169 + 36571892170.

It is an arithmetic number, because the mean of its divisors is an integer number (36571892170).

Almost surely, 2^73143784339 is an apocalyptic number.

73143784339 is a deficient number, since it is larger than the sum of its proper divisors (1).

73143784339 is an equidigital number, since it uses as much as digits as its factorization.

73143784339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 52.

The spelling of 73143784339 in words is "seventy-three billion, one hundred forty-three million, seven hundred eighty-four thousand, three hundred thirty-nine".