673937296789 has 2 divisors, whose sum is σ = 673937296790. Its totient is φ = 673937296788.

The previous prime is 673937296771. The next prime is 673937296811. The reversal of 673937296789 is 987692739376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 663336947025 + 10600349764 = 814455^2 + 102958^2 .

It is a cyclic number.

It is not a de Polignac number, because 673937296789 - 2⁷ = 673937296661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673937296709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336968648394 + 336968648395.

It is an arithmetic number, because the mean of its divisors is an integer number (336968648395).

Almost surely, 2^673937296789 is an apocalyptic number.

It is an amenable number.

673937296789 is a deficient number, since it is larger than the sum of its proper divisors (1).

673937296789 is an equidigital number, since it uses as much as digits as its factorization.

673937296789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296243648, while the sum is 76.

The spelling of 673937296789 in words is "six hundred seventy-three billion, nine hundred thirty-seven million, two hundred ninety-six thousand, seven hundred eighty-nine".