698860013 has 4 divisors (see below), whose sum is σ = 700152348. Its totient is φ = 697567680.

The previous prime is 698860007. The next prime is 698860039. The reversal of 698860013 is 310068896.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 380523049 + 318336964 = 19507^2 + 17842^2 .

It is a cyclic number.

It is not a de Polignac number, because 698860013 - 2⁸ = 698859757 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 (698860003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645356 + ... + 646437.

It is an arithmetic number, because the mean of its divisors is an integer number (175038087).

Almost surely, 2^698860013 is an apocalyptic number.

It is an amenable number.

698860013 is a deficient number, since it is larger than the sum of its proper divisors (1292335).

698860013 is a wasteful number, since it uses less digits than its factorization.

698860013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292334.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 698860013 is about 26435.9606029363. The cubic root of 698860013 is about 887.4217403187.

The spelling of 698860013 in words is "six hundred ninety-eight million, eight hundred sixty thousand, thirteen".