695469321 has 20 divisors (see below), whose sum is σ = 1053151572. Its totient is φ = 457291008.

The previous prime is 695469319. The next prime is 695469323. The reversal of 695469321 is 123964596.

It is an interprime number because it is at equal distance from previous prime (695469319) and next prime (695469323).

It can be written as a sum of positive squares in 2 ways, for example, as 122345721 + 573123600 = 11061^2 + 23940^2 .

It is not a de Polignac number, because 695469321 - 2¹ = 695469319 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (695469323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52896 + ... + 64721.

Almost surely, 2^695469321 is an apocalyptic number.

It is an amenable number.

695469321 is a deficient number, since it is larger than the sum of its proper divisors (357682251).

695469321 is a wasteful number, since it uses less digits than its factorization.

695469321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117702 (or 117693 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 695469321 is about 26371.7523308558. The cubic root of 695469321 is about 885.9842310615.

The spelling of 695469321 in words is "six hundred ninety-five million, four hundred sixty-nine thousand, three hundred twenty-one".