698455427 has 2 divisors, whose sum is σ = 698455428. Its totient is φ = 698455426.

The previous prime is 698455411. The next prime is 698455453. The reversal of 698455427 is 724554896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698455427 - 2⁴ = 698455411 is a prime.

It is not a weakly prime, because it can be changed into another prime (698455027) 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, 349227713 + 349227714.

It is an arithmetic number, because the mean of its divisors is an integer number (349227714).

Almost surely, 2^698455427 is an apocalyptic number.

698455427 is a deficient number, since it is larger than the sum of its proper divisors (1).

698455427 is an equidigital number, since it uses as much as digits as its factorization.

698455427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 50.

The square root of 698455427 is about 26428.3073048578. The cubic root of 698455427 is about 887.2504576999.

The spelling of 698455427 in words is "six hundred ninety-eight million, four hundred fifty-five thousand, four hundred twenty-seven".