698120903 has 2 divisors, whose sum is σ = 698120904. Its totient is φ = 698120902.

The previous prime is 698120881. The next prime is 698120923. The reversal of 698120903 is 309021896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698120903 - 2¹⁰ = 698119879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698120923) 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, 349060451 + 349060452.

It is an arithmetic number, because the mean of its divisors is an integer number (349060452).

Almost surely, 2^698120903 is an apocalyptic number.

698120903 is a deficient number, since it is larger than the sum of its proper divisors (1).

698120903 is an equidigital number, since it uses as much as digits as its factorization.

698120903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 698120903 is about 26421.9776511903. The cubic root of 698120903 is about 887.1087860636.

The spelling of 698120903 in words is "six hundred ninety-eight million, one hundred twenty thousand, nine hundred three".