695225691673 has 2 divisors, whose sum is σ = 695225691674. Its totient is φ = 695225691672.

The previous prime is 695225691649. The next prime is 695225691689. The reversal of 695225691673 is 376196522596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 577543761369 + 117681930304 = 759963^2 + 343048^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695225691673 is a prime.

It is not a weakly prime, because it can be changed into another prime (695225691613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347612845836 + 347612845837.

It is an arithmetic number, because the mean of its divisors is an integer number (347612845837).

Almost surely, 2^695225691673 is an apocalyptic number.

It is an amenable number.

695225691673 is a deficient number, since it is larger than the sum of its proper divisors (1).

695225691673 is an equidigital number, since it uses as much as digits as its factorization.

695225691673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36741600, while the sum is 61.

The spelling of 695225691673 in words is "six hundred ninety-five billion, two hundred twenty-five million, six hundred ninety-one thousand, six hundred seventy-three".