696026861 has 2 divisors, whose sum is σ = 696026862. Its totient is φ = 696026860.

The previous prime is 696026843. The next prime is 696026873. The reversal of 696026861 is 168620696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641355625 + 54671236 = 25325^2 + 7394^2 .

It is a cyclic number.

It is not a de Polignac number, because 696026861 - 2¹⁴ = 696010477 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696026831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348013430 + 348013431.

It is an arithmetic number, because the mean of its divisors is an integer number (348013431).

Almost surely, 2^696026861 is an apocalyptic number.

It is an amenable number.

696026861 is a deficient number, since it is larger than the sum of its proper divisors (1).

696026861 is an equidigital number, since it uses as much as digits as its factorization.

696026861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 696026861 is about 26382.3209934228. The cubic root of 696026861 is about 886.2209248022.

The spelling of 696026861 in words is "six hundred ninety-six million, twenty-six thousand, eight hundred sixty-one".