673571734243 has 2 divisors, whose sum is σ = 673571734244. Its totient is φ = 673571734242.

The previous prime is 673571734207. The next prime is 673571734273. The reversal of 673571734243 is 342437175376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673571734243 - 2²⁹ = 673034863331 is a prime.

It is a super-2 number, since 2×673571734243² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (673571734273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336785867121 + 336785867122.

It is an arithmetic number, because the mean of its divisors is an integer number (336785867122).

Almost surely, 2^673571734243 is an apocalyptic number.

673571734243 is a deficient number, since it is larger than the sum of its proper divisors (1).

673571734243 is an equidigital number, since it uses as much as digits as its factorization.

673571734243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8890560, while the sum is 52.

The spelling of 673571734243 in words is "six hundred seventy-three billion, five hundred seventy-one million, seven hundred thirty-four thousand, two hundred forty-three".