695170089 has 12 divisors (see below), whose sum is σ = 1005813172. Its totient is φ = 462672000.

The previous prime is 695170067. The next prime is 695170117. The reversal of 695170089 is 980071596.

It can be written as a sum of positive squares in 2 ways, for example, as 498048489 + 197121600 = 22317^2 + 14040^2 .

It is not a de Polignac number, because 695170089 - 2¹⁵ = 695137321 is a prime.

It is a super-2 number, since 2×695170089² = 966522905280535842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695170019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58852 + ... + 69669.

Almost surely, 2^695170089 is an apocalyptic number.

It is an amenable number.

695170089 is a deficient number, since it is larger than the sum of its proper divisors (310643083).

695170089 is a wasteful number, since it uses less digits than its factorization.

695170089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129128 (or 129125 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 695170089 is about 26366.0783773393. The cubic root of 695170089 is about 885.8571452423.

The spelling of 695170089 in words is "six hundred ninety-five million, one hundred seventy thousand, eighty-nine".