695485991 has 2 divisors, whose sum is σ = 695485992. Its totient is φ = 695485990.

The previous prime is 695485927. The next prime is 695486021. The reversal of 695485991 is 199584596.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 695485991 - 2⁶ = 695485927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695485391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347742995 + 347742996.

It is an arithmetic number, because the mean of its divisors is an integer number (347742996).

Almost surely, 2^695485991 is an apocalyptic number.

695485991 is a deficient number, since it is larger than the sum of its proper divisors (1).

695485991 is an equidigital number, since it uses as much as digits as its factorization.

695485991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 56.

The square root of 695485991 is about 26372.0683868369. The cubic root of 695485991 is about 885.9913098493.

The spelling of 695485991 in words is "six hundred ninety-five million, four hundred eighty-five thousand, nine hundred ninety-one".