673905235177 has 2 divisors, whose sum is σ = 673905235178. Its totient is φ = 673905235176.

The previous prime is 673905235103. The next prime is 673905235261. The reversal of 673905235177 is 771532509376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673784872336 + 120362841 = 820844^2 + 10971^2 .

It is a cyclic number.

It is not a de Polignac number, because 673905235177 - 2²³ = 673896846569 is a prime.

It is not a weakly prime, because it can be changed into another prime (673905235277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336952617588 + 336952617589.

It is an arithmetic number, because the mean of its divisors is an integer number (336952617589).

Almost surely, 2^673905235177 is an apocalyptic number.

It is an amenable number.

673905235177 is a deficient number, since it is larger than the sum of its proper divisors (1).

673905235177 is an equidigital number, since it uses as much as digits as its factorization.

673905235177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8334900, while the sum is 55.

The spelling of 673905235177 in words is "six hundred seventy-three billion, nine hundred five million, two hundred thirty-five thousand, one hundred seventy-seven".