695669393 has 4 divisors (see below), whose sum is σ = 736591140. Its totient is φ = 654747648.

The previous prime is 695669383. The next prime is 695669407. The reversal of 695669393 is 393966596.

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

It can be written as a sum of positive squares in 2 ways, for example, as 244234384 + 451435009 = 15628^2 + 21247^2 .

It is a cyclic number.

It is not a de Polignac number, because 695669393 - 2²² = 691475089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695669323) 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, 20460848 + ... + 20460881.

It is an arithmetic number, because the mean of its divisors is an integer number (184147785).

Almost surely, 2^695669393 is an apocalyptic number.

It is an amenable number.

695669393 is a deficient number, since it is larger than the sum of its proper divisors (40921747).

695669393 is a wasteful number, since it uses less digits than its factorization.

695669393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40921746.

The product of its digits is 7085880, while the sum is 56.

The square root of 695669393 is about 26375.5453592907. The cubic root of 695669393 is about 886.0691826361.

The spelling of 695669393 in words is "six hundred ninety-five million, six hundred sixty-nine thousand, three hundred ninety-three".