698420699 has 2 divisors, whose sum is σ = 698420700. Its totient is φ = 698420698.

The previous prime is 698420689. The next prime is 698420747. The reversal of 698420699 is 996024896.

698420699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698420699 - 2⁴ = 698420683 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 698420699.

It is not a weakly prime, because it can be changed into another prime (698420689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349210349 + 349210350.

It is an arithmetic number, because the mean of its divisors is an integer number (349210350).

Almost surely, 2^698420699 is an apocalyptic number.

698420699 is a deficient number, since it is larger than the sum of its proper divisors (1).

698420699 is an equidigital number, since it uses as much as digits as its factorization.

698420699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 698420699 is about 26427.6502739082. The cubic root of 698420699 is about 887.2357524215.

The spelling of 698420699 in words is "six hundred ninety-eight million, four hundred twenty thousand, six hundred ninety-nine".