699703699669 has 8 divisors (see below), whose sum is σ = 797852182680. Its totient is φ = 607887376896.

The previous prime is 699703699657. The next prime is 699703699693. The reversal of 699703699669 is 966996307996.

699703699669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56639240100 + 643064459569 = 237990^2 + 801913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699703699669 - 2¹¹ = 699703697621 is a prime.

It is a super-2 number, since 2×699703699669² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699703699369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583039824 + ... + 1583040265.

It is an arithmetic number, because the mean of its divisors is an integer number (99731522835).

Almost surely, 2^699703699669 is an apocalyptic number.

It is an amenable number.

699703699669 is a deficient number, since it is larger than the sum of its proper divisors (98148483011).

699703699669 is a wasteful number, since it uses less digits than its factorization.

699703699669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166080119.

The product of its (nonzero) digits is 1607077584, while the sum is 79.

The spelling of 699703699669 in words is "six hundred ninety-nine billion, seven hundred three million, six hundred ninety-nine thousand, six hundred sixty-nine".