698666913 has 12 divisors (see below), whose sum is σ = 1153355008. Its totient is φ = 399238200.

The previous prime is 698666897. The next prime is 698666963. The reversal of 698666913 is 319666896.

698666913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 698666913 - 2⁴ = 698666897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 698666913.

It is not an unprimeable number, because it can be changed into a prime (698666963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5544913 + ... + 5545038.

Almost surely, 2^698666913 is an apocalyptic number.

698666913 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

698666913 is a deficient number, since it is larger than the sum of its proper divisors (454688095).

698666913 is a wasteful number, since it uses less digits than its factorization.

698666913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089964 (or 11089961 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 698666913 is about 26432.3081285006. The cubic root of 698666913 is about 887.3399991402.

The spelling of 698666913 in words is "six hundred ninety-eight million, six hundred sixty-six thousand, nine hundred thirteen".