698981359 has 2 divisors, whose sum is σ = 698981360. Its totient is φ = 698981358.

The previous prime is 698981341. The next prime is 698981363. The reversal of 698981359 is 953189896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698981359 - 2¹¹ = 698979311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698981389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349490679 + 349490680.

It is an arithmetic number, because the mean of its divisors is an integer number (349490680).

Almost surely, 2^698981359 is an apocalyptic number.

698981359 is a deficient number, since it is larger than the sum of its proper divisors (1).

698981359 is an equidigital number, since it uses as much as digits as its factorization.

698981359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 58.

The square root of 698981359 is about 26438.2555967673. The cubic root of 698981359 is about 887.4730996012.

The spelling of 698981359 in words is "six hundred ninety-eight million, nine hundred eighty-one thousand, three hundred fifty-nine".