698616043 has 2 divisors, whose sum is σ = 698616044. Its totient is φ = 698616042.

The previous prime is 698616029. The next prime is 698616047. The reversal of 698616043 is 340616896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698616043 - 2⁵ = 698616011 is a prime.

It is not a weakly prime, because it can be changed into another prime (698616047) 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, 349308021 + 349308022.

It is an arithmetic number, because the mean of its divisors is an integer number (349308022).

Almost surely, 2^698616043 is an apocalyptic number.

698616043 is a deficient number, since it is larger than the sum of its proper divisors (1).

698616043 is an equidigital number, since it uses as much as digits as its factorization.

698616043 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 43.

The square root of 698616043 is about 26431.3458416328. The cubic root of 698616043 is about 887.3184628495.

The spelling of 698616043 in words is "six hundred ninety-eight million, six hundred sixteen thousand, forty-three".