695489593 has 2 divisors, whose sum is σ = 695489594. Its totient is φ = 695489592.

The previous prime is 695489591. The next prime is 695489647. The reversal of 695489593 is 395984596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515607849 + 179881744 = 22707^2 + 13412^2 .

It is a cyclic number.

It is not a de Polignac number, because 695489593 - 2¹ = 695489591 is a prime.

Together with 695489591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (695489591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347744796 + 347744797.

It is an arithmetic number, because the mean of its divisors is an integer number (347744797).

Almost surely, 2^695489593 is an apocalyptic number.

695489593 is the 14097-th centered heptagonal number.

It is an amenable number.

695489593 is a deficient number, since it is larger than the sum of its proper divisors (1).

695489593 is an equidigital number, since it uses as much as digits as its factorization.

695489593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 58.

The square root of 695489593 is about 26372.1366786994. The cubic root of 695489593 is about 885.9928393961.

The spelling of 695489593 in words is "six hundred ninety-five million, four hundred eighty-nine thousand, five hundred ninety-three".