698463906559 has 4 divisors (see below), whose sum is σ = 698520810904. Its totient is φ = 698407002216.

The previous prime is 698463906521. The next prime is 698463906571. The reversal of 698463906559 is 955609364896.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 698463906559 - 2¹¹ = 698463904511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698463906589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28433757 + ... + 28458310.

It is an arithmetic number, because the mean of its divisors is an integer number (174630202726).

Almost surely, 2^698463906559 is an apocalyptic number.

698463906559 is a deficient number, since it is larger than the sum of its proper divisors (56904345).

698463906559 is a wasteful number, since it uses less digits than its factorization.

698463906559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56904344.

The product of its (nonzero) digits is 377913600, while the sum is 70.

The spelling of 698463906559 in words is "six hundred ninety-eight billion, four hundred sixty-three million, nine hundred six thousand, five hundred fifty-nine".