698422759 has 2 divisors, whose sum is σ = 698422760. Its totient is φ = 698422758.

The previous prime is 698422757. The next prime is 698422763. The reversal of 698422759 is 957224896.

698422759 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 698422759 - 2¹ = 698422757 is a prime.

Together with 698422757, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698422757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349211379 + 349211380.

It is an arithmetic number, because the mean of its divisors is an integer number (349211380).

Almost surely, 2^698422759 is an apocalyptic number.

698422759 is a deficient number, since it is larger than the sum of its proper divisors (1).

698422759 is an equidigital number, since it uses as much as digits as its factorization.

698422759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 698422759 is about 26427.6892482109. The cubic root of 698422759 is about 887.2366247247.

The spelling of 698422759 in words is "six hundred ninety-eight million, four hundred twenty-two thousand, seven hundred fifty-nine".