698380259 has 4 divisors (see below), whose sum is σ = 700865880. Its totient is φ = 695894640.

The previous prime is 698380253. The next prime is 698380261. The reversal of 698380259 is 952083896.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698380259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698380253) 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, 1242389 + ... + 1242950.

It is an arithmetic number, because the mean of its divisors is an integer number (175216470).

Almost surely, 2^698380259 is an apocalyptic number.

698380259 is a deficient number, since it is larger than the sum of its proper divisors (2485621).

698380259 is a wasteful number, since it uses less digits than its factorization.

698380259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485620.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 698380259 is about 26426.8851550840. The cubic root of 698380259 is about 887.2186278305.

The spelling of 698380259 in words is "six hundred ninety-eight million, three hundred eighty thousand, two hundred fifty-nine".