695669649 has 8 divisors (see below), whose sum is σ = 943281120. Its totient is φ = 455918976.

The previous prime is 695669647. The next prime is 695669683. The reversal of 695669649 is 946966596.

695669649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 695669649 - 2¹ = 695669647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 695669592 and 695669601.

It is not an unprimeable number, because it can be changed into a prime (695669647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964992 + ... + 1965345.

It is an arithmetic number, because the mean of its divisors is an integer number (117910140).

Almost surely, 2^695669649 is an apocalyptic number.

It is an amenable number.

695669649 is a deficient number, since it is larger than the sum of its proper divisors (247611471).

695669649 is a wasteful number, since it uses less digits than its factorization.

695669649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930399.

The product of its digits is 18895680, while the sum is 60.

The square root of 695669649 is about 26375.5502122705. The cubic root of 695669649 is about 886.0692913246.

The spelling of 695669649 in words is "six hundred ninety-five million, six hundred sixty-nine thousand, six hundred forty-nine".