695255669 has 2 divisors, whose sum is σ = 695255670. Its totient is φ = 695255668.

The previous prime is 695255663. The next prime is 695255711. The reversal of 695255669 is 966552596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355775044 + 339480625 = 18862^2 + 18425^2 .

It is a cyclic number.

It is not a de Polignac number, because 695255669 - 2²⁸ = 426820213 is a prime.

It is a super-2 number, since 2×695255669² = 966760890553275122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 695255669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695255663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347627834 + 347627835.

It is an arithmetic number, because the mean of its divisors is an integer number (347627835).

Almost surely, 2^695255669 is an apocalyptic number.

It is an amenable number.

695255669 is a deficient number, since it is larger than the sum of its proper divisors (1).

695255669 is an equidigital number, since it uses as much as digits as its factorization.

695255669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374000, while the sum is 53.

The square root of 695255669 is about 26367.7012460320. The cubic root of 695255669 is about 885.8934953600.

The spelling of 695255669 in words is "six hundred ninety-five million, two hundred fifty-five thousand, six hundred sixty-nine".