695505599 has 2 divisors, whose sum is σ = 695505600. Its totient is φ = 695505598.

The previous prime is 695505589. The next prime is 695505619. The reversal of 695505599 is 995505596.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695505599 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 695505599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695505589) 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, 347752799 + 347752800.

It is an arithmetic number, because the mean of its divisors is an integer number (347752800).

Almost surely, 2^695505599 is an apocalyptic number.

695505599 is a deficient number, since it is larger than the sum of its proper divisors (1).

695505599 is an equidigital number, since it uses as much as digits as its factorization.

695505599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2733750, while the sum is 53.

The square root of 695505599 is about 26372.4401411777. The cubic root of 695505599 is about 885.9996360914. Note that the first 3 decimals are identical.

The spelling of 695505599 in words is "six hundred ninety-five million, five hundred five thousand, five hundred ninety-nine".