685461292333 has 2 divisors, whose sum is σ = 685461292334. Its totient is φ = 685461292332.

The previous prime is 685461292253. The next prime is 685461292409. The reversal of 685461292333 is 333292164586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641059638244 + 44401654089 = 800662^2 + 210717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-685461292333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (685461290333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342730646166 + 342730646167.

It is an arithmetic number, because the mean of its divisors is an integer number (342730646167).

Almost surely, 2^685461292333 is an apocalyptic number.

It is an amenable number.

685461292333 is a deficient number, since it is larger than the sum of its proper divisors (1).

685461292333 is an equidigital number, since it uses as much as digits as its factorization.

685461292333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 52.

The spelling of 685461292333 in words is "six hundred eighty-five billion, four hundred sixty-one million, two hundred ninety-two thousand, three hundred thirty-three".