698427029 has 2 divisors, whose sum is σ = 698427030. Its totient is φ = 698427028.

The previous prime is 698427011. The next prime is 698427047. The reversal of 698427029 is 920724896.

It is a balanced prime because it is at equal distance from previous prime (698427011) and next prime (698427047).

It can be written as a sum of positive squares in only one way, i.e., 665536804 + 32890225 = 25798^2 + 5735^2 .

It is a cyclic number.

It is not a de Polignac number, because 698427029 - 2¹⁶ = 698361493 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 (698427089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349213514 + 349213515.

It is an arithmetic number, because the mean of its divisors is an integer number (349213515).

Almost surely, 2^698427029 is an apocalyptic number.

It is an amenable number.

698427029 is a deficient number, since it is larger than the sum of its proper divisors (1).

698427029 is an equidigital number, since it uses as much as digits as its factorization.

698427029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 698427029 is about 26427.7700345678. The cubic root of 698427029 is about 887.2384328428.

The spelling of 698427029 in words is "six hundred ninety-eight million, four hundred twenty-seven thousand, twenty-nine".