695386091 has 2 divisors, whose sum is σ = 695386092. Its totient is φ = 695386090.

The previous prime is 695386061. The next prime is 695386123. The reversal of 695386091 is 190683596.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 695386091 - 2¹⁴ = 695369707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (695386051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347693045 + 347693046.

It is an arithmetic number, because the mean of its divisors is an integer number (347693046).

Almost surely, 2^695386091 is an apocalyptic number.

695386091 is a deficient number, since it is larger than the sum of its proper divisors (1).

695386091 is an equidigital number, since it uses as much as digits as its factorization.

695386091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 695386091 is about 26370.1742694280. The cubic root of 695386091 is about 885.9488863875.

The spelling of 695386091 in words is "six hundred ninety-five million, three hundred eighty-six thousand, ninety-one".