695609347 has 4 divisors (see below), whose sum is σ = 695813680. Its totient is φ = 695405016.

The previous prime is 695609339. The next prime is 695609357. The reversal of 695609347 is 743906596.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 695609347 - 2³ = 695609339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 695609347.

It is not an unprimeable number, because it can be changed into a prime (695609357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96972 + ... + 103897.

It is an arithmetic number, because the mean of its divisors is an integer number (173953420).

Almost surely, 2^695609347 is an apocalyptic number.

695609347 is a deficient number, since it is larger than the sum of its proper divisors (204333).

695609347 is a wasteful number, since it uses less digits than its factorization.

695609347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204332.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 695609347 is about 26374.4070454674. The cubic root of 695609347 is about 886.0436885142.

The spelling of 695609347 in words is "six hundred ninety-five million, six hundred nine thousand, three hundred forty-seven".