673736715629 has 2 divisors, whose sum is σ = 673736715630. Its totient is φ = 673736715628.

The previous prime is 673736715607. The next prime is 673736715647. The reversal of 673736715629 is 926517637376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664273900900 + 9462814729 = 815030^2 + 97277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673736715629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673736715829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336868357814 + 336868357815.

It is an arithmetic number, because the mean of its divisors is an integer number (336868357815).

Almost surely, 2^673736715629 is an apocalyptic number.

It is an amenable number.

673736715629 is a deficient number, since it is larger than the sum of its proper divisors (1).

673736715629 is an equidigital number, since it uses as much as digits as its factorization.

673736715629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 62.

The spelling of 673736715629 in words is "six hundred seventy-three billion, seven hundred thirty-six million, seven hundred fifteen thousand, six hundred twenty-nine".