695689653 has 4 divisors (see below), whose sum is σ = 927586208. Its totient is φ = 463793100.

The previous prime is 695689637. The next prime is 695689661. The reversal of 695689653 is 356986596.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 695689653 - 2⁴ = 695689637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 695689593 and 695689602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695689633) 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 in 3 ways as a sum of consecutive naturals, for example, 115948273 + ... + 115948278.

It is an arithmetic number, because the mean of its divisors is an integer number (231896552).

Almost surely, 2^695689653 is an apocalyptic number.

It is an amenable number.

695689653 is a deficient number, since it is larger than the sum of its proper divisors (231896555).

695689653 is a wasteful number, since it uses less digits than its factorization.

695689653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231896554.

The product of its digits is 10497600, while the sum is 57.

The square root of 695689653 is about 26375.9294243824. The cubic root of 695689653 is about 886.0777842255.

The spelling of 695689653 in words is "six hundred ninety-five million, six hundred eighty-nine thousand, six hundred fifty-three".