695967049 has 2 divisors, whose sum is σ = 695967050. Its totient is φ = 695967048.

The previous prime is 695967037. The next prime is 695967053. The reversal of 695967049 is 940769596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665640000 + 30327049 = 25800^2 + 5507^2 .

It is a cyclic number.

It is not a de Polignac number, because 695967049 - 2²⁹ = 159096137 is a prime.

It is not a weakly prime, because it can be changed into another prime (695967089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347983524 + 347983525.

It is an arithmetic number, because the mean of its divisors is an integer number (347983525).

Almost surely, 2^695967049 is an apocalyptic number.

It is an amenable number.

695967049 is a deficient number, since it is larger than the sum of its proper divisors (1).

695967049 is an equidigital number, since it uses as much as digits as its factorization.

695967049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The square root of 695967049 is about 26381.1874069383. The cubic root of 695967049 is about 886.1955387301.

The spelling of 695967049 in words is "six hundred ninety-five million, nine hundred sixty-seven thousand, forty-nine".