698819113 has 2 divisors, whose sum is σ = 698819114. Its totient is φ = 698819112.

The previous prime is 698819087. The next prime is 698819159. The reversal of 698819113 is 311918896.

698819113 = 18692² + 18693².

It is a happy number.

It is an a-pointer prime, because the next prime (698819159) can be obtained adding 698819113 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349428249 + 349390864 = 18693^2 + 18692^2 .

It is a cyclic number.

It is not a de Polignac number, because 698819113 - 2¹³ = 698810921 is a prime.

It is not a weakly prime, because it can be changed into another prime (698819213) 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, 349409556 + 349409557.

It is an arithmetic number, because the mean of its divisors is an integer number (349409557).

Almost surely, 2^698819113 is an apocalyptic number.

698819113 is the 18693-rd centered square number.

It is an amenable number.

698819113 is a deficient number, since it is larger than the sum of its proper divisors (1).

698819113 is an equidigital number, since it uses as much as digits as its factorization.

698819113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 46.

The square root of 698819113 is about 26435.1870241162. The cubic root of 698819113 is about 887.4044281930.

The spelling of 698819113 in words is "six hundred ninety-eight million, eight hundred nineteen thousand, one hundred thirteen".