5696643821 has 24 divisors (see below), whose sum is σ = 6629720160. Its totient is φ = 4877500320.

The previous prime is 5696643817. The next prime is 5696643881. The reversal of 5696643821 is 1283466965.

It is not a de Polignac number, because 5696643821 - 2² = 5696643817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5696643821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5696643881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390566 + ... + 404888.

It is an arithmetic number, because the mean of its divisors is an integer number (276238340).

Almost surely, 2^5696643821 is an apocalyptic number.

It is an amenable number.

5696643821 is a deficient number, since it is larger than the sum of its proper divisors (933076339).

5696643821 is a wasteful number, since it uses less digits than its factorization.

5696643821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14537 (or 14526 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 5696643821 is about 75476.1142415268. The cubic root of 5696643821 is about 1785.9653226055.

The spelling of 5696643821 in words is "five billion, six hundred ninety-six million, six hundred forty-three thousand, eight hundred twenty-one".