699647688253 has 4 divisors (see below), whose sum is σ = 715918564768. Its totient is φ = 683376811740.

The previous prime is 699647688193. The next prime is 699647688263. The reversal of 699647688253 is 352886746996.

699647688253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 699647688253 - 2²⁹ = 699110817341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699647688263) 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, 8135438193 + ... + 8135438278.

It is an arithmetic number, because the mean of its divisors is an integer number (178979641192).

Almost surely, 2^699647688253 is an apocalyptic number.

It is an amenable number.

699647688253 is a deficient number, since it is larger than the sum of its proper divisors (16270876515).

699647688253 is a wasteful number, since it uses less digits than its factorization.

699647688253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16270876514.

The product of its digits is 940584960, while the sum is 73.

The spelling of 699647688253 in words is "six hundred ninety-nine billion, six hundred forty-seven million, six hundred eighty-eight thousand, two hundred fifty-three".