699565368 has 32 divisors (see below), whose sum is σ = 1851791760. Its totient is φ = 219471360.

The previous prime is 699565367. The next prime is 699565381. The reversal of 699565368 is 863565996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699565367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856903 + ... + 857718.

Almost surely, 2^699565368 is an apocalyptic number.

699565368 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

699565368 is an abundant number, since it is smaller than the sum of its proper divisors (1152226392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699565368 is a wasteful number, since it uses less digits than its factorization.

699565368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714647 (or 1714643 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 57.

The square root of 699565368 is about 26449.2980625195. The cubic root of 699565368 is about 887.7201963184.

The spelling of 699565368 in words is "six hundred ninety-nine million, five hundred sixty-five thousand, three hundred sixty-eight".