695320649 has 2 divisors, whose sum is σ = 695320650. Its totient is φ = 695320648.

The previous prime is 695320643. The next prime is 695320657. The reversal of 695320649 is 946023596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649893049 + 45427600 = 25493^2 + 6740^2 .

It is a cyclic number.

It is not a de Polignac number, because 695320649 - 2⁸ = 695320393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (695320643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347660324 + 347660325.

It is an arithmetic number, because the mean of its divisors is an integer number (347660325).

Almost surely, 2^695320649 is an apocalyptic number.

It is an amenable number.

695320649 is a deficient number, since it is larger than the sum of its proper divisors (1).

695320649 is an equidigital number, since it uses as much as digits as its factorization.

695320649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 695320649 is about 26368.9334065677. The cubic root of 695320649 is about 885.9210936324.

The spelling of 695320649 in words is "six hundred ninety-five million, three hundred twenty thousand, six hundred forty-nine".