673436667041 has 2 divisors, whose sum is σ = 673436667042. Its totient is φ = 673436667040.

The previous prime is 673436667031. The next prime is 673436667049. The reversal of 673436667041 is 140766634376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 489854410816 + 183582256225 = 699896^2 + 428465^2 .

It is a cyclic number.

It is not a de Polignac number, because 673436667041 - 2⁶ = 673436666977 is a prime.

It is not a weakly prime, because it can be changed into another prime (673436667049) 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, 336718333520 + 336718333521.

It is an arithmetic number, because the mean of its divisors is an integer number (336718333521).

Almost surely, 2^673436667041 is an apocalyptic number.

It is an amenable number.

673436667041 is a deficient number, since it is larger than the sum of its proper divisors (1).

673436667041 is an equidigital number, since it uses as much as digits as its factorization.

673436667041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 53.

The spelling of 673436667041 in words is "six hundred seventy-three billion, four hundred thirty-six million, six hundred sixty-seven thousand, forty-one".