696989359 has 4 divisors (see below), whose sum is σ = 760352040. Its totient is φ = 633626680.

The previous prime is 696989353. The next prime is 696989383. The reversal of 696989359 is 953989696.

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 696989359 - 2³ = 696989351 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 696989359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696989351) 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, 31681324 + ... + 31681345.

It is an arithmetic number, because the mean of its divisors is an integer number (190088010).

Almost surely, 2^696989359 is an apocalyptic number.

696989359 is a deficient number, since it is larger than the sum of its proper divisors (63362681).

696989359 is a wasteful number, since it uses less digits than its factorization.

696989359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63362680.

The product of its digits is 28343520, while the sum is 64.

The square root of 696989359 is about 26400.5560358111. The cubic root of 696989359 is about 886.6292390185.

The spelling of 696989359 in words is "six hundred ninety-six million, nine hundred eighty-nine thousand, three hundred fifty-nine".