673746463601 has 2 divisors, whose sum is σ = 673746463602. Its totient is φ = 673746463600.

The previous prime is 673746463583. The next prime is 673746463669. The reversal of 673746463601 is 106364647376.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545199117376 + 128547346225 = 738376^2 + 358535^2 .

It is a cyclic number.

It is not a de Polignac number, because 673746463601 - 2²⁶ = 673679354737 is a prime.

It is not a weakly prime, because it can be changed into another prime (673746468601) 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, 336873231800 + 336873231801.

It is an arithmetic number, because the mean of its divisors is an integer number (336873231801).

Almost surely, 2^673746463601 is an apocalyptic number.

It is an amenable number.

673746463601 is a deficient number, since it is larger than the sum of its proper divisors (1).

673746463601 is an equidigital number, since it uses as much as digits as its factorization.

673746463601 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 673746463601 in words is "six hundred seventy-three billion, seven hundred forty-six million, four hundred sixty-three thousand, six hundred one".