673019448991 has 2 divisors, whose sum is σ = 673019448992. Its totient is φ = 673019448990.

The previous prime is 673019448971. The next prime is 673019449007. The reversal of 673019448991 is 199844910376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673019448991 - 2¹⁹ = 673018924703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673019448971) 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, 336509724495 + 336509724496.

It is an arithmetic number, because the mean of its divisors is an integer number (336509724496).

Almost surely, 2^673019448991 is an apocalyptic number.

673019448991 is a deficient number, since it is larger than the sum of its proper divisors (1).

673019448991 is an equidigital number, since it uses as much as digits as its factorization.

673019448991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 673019448991 in words is "six hundred seventy-three billion, nineteen million, four hundred forty-eight thousand, nine hundred ninety-one".