5697805349 has 4 divisors (see below), whose sum is σ = 5699410764. Its totient is φ = 5696199936.

The previous prime is 5697805327. The next prime is 5697805381. The reversal of 5697805349 is 9435087965.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2270522500 + 3427282849 = 47650^2 + 58543^2 .

It is a cyclic number.

It is not a de Polignac number, because 5697805349 - 2⁸ = 5697805093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5697805294 and 5697805303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5697804349) 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, 797372 + ... + 804485.

It is an arithmetic number, because the mean of its divisors is an integer number (1424852691).

Almost surely, 2^5697805349 is an apocalyptic number.

It is an amenable number.

5697805349 is a deficient number, since it is larger than the sum of its proper divisors (1605415).

5697805349 is a wasteful number, since it uses less digits than its factorization.

5697805349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605414.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The square root of 5697805349 is about 75483.8085220930. The cubic root of 5697805349 is about 1786.0866986191.

The spelling of 5697805349 in words is "five billion, six hundred ninety-seven million, eight hundred five thousand, three hundred forty-nine".