695420773 has 2 divisors, whose sum is σ = 695420774. Its totient is φ = 695420772.

The previous prime is 695420771. The next prime is 695420777. The reversal of 695420773 is 377024596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648058849 + 47361924 = 25457^2 + 6882^2 .

It is a cyclic number.

It is not a de Polignac number, because 695420773 - 2¹ = 695420771 is a prime.

It is a super-2 number, since 2×695420773² = 967220103039835058, which contains 22 as substring.

Together with 695420771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695420771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347710386 + 347710387.

It is an arithmetic number, because the mean of its divisors is an integer number (347710387).

Almost surely, 2^695420773 is an apocalyptic number.

It is an amenable number.

695420773 is a deficient number, since it is larger than the sum of its proper divisors (1).

695420773 is an equidigital number, since it uses as much as digits as its factorization.

695420773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 695420773 is about 26370.8318602201. The cubic root of 695420773 is about 885.9636148809.

The spelling of 695420773 in words is "six hundred ninety-five million, four hundred twenty thousand, seven hundred seventy-three".