699284899 has 4 divisors (see below), whose sum is σ = 699883240. Its totient is φ = 698686560.

The previous prime is 699284897. The next prime is 699284903. The reversal of 699284899 is 998482996.

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 699284899 - 2¹ = 699284897 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 699284899.

It is not an unprimeable number, because it can be changed into a prime (699284891) 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, 297414 + ... + 299755.

It is an arithmetic number, because the mean of its divisors is an integer number (174970810).

Almost surely, 2^699284899 is an apocalyptic number.

699284899 is a deficient number, since it is larger than the sum of its proper divisors (598341).

699284899 is a wasteful number, since it uses less digits than its factorization.

699284899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598340.

The product of its digits is 20155392, while the sum is 64.

The square root of 699284899 is about 26443.9955188319. The cubic root of 699284899 is about 887.6015458497.

The spelling of 699284899 in words is "six hundred ninety-nine million, two hundred eighty-four thousand, eight hundred ninety-nine".