5668632257 has 4 divisors (see below), whose sum is σ = 5668845780. Its totient is φ = 5668418736.

The previous prime is 5668632247. The next prime is 5668632283. The reversal of 5668632257 is 7522368665.

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 1991301376 + 3677330881 = 44624^2 + 60641^2 .

It is a cyclic number.

It is not a de Polignac number, because 5668632257 - 2²⁰ = 5667583681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5668632227) 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, 60158 + ... + 122295.

It is an arithmetic number, because the mean of its divisors is an integer number (1417211445).

Almost surely, 2^5668632257 is an apocalyptic number.

It is an amenable number.

5668632257 is a deficient number, since it is larger than the sum of its proper divisors (213523).

5668632257 is a wasteful number, since it uses less digits than its factorization.

5668632257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213522.

The product of its digits is 3628800, while the sum is 50.

The square root of 5668632257 is about 75290.3198093885. The cubic root of 5668632257 is about 1783.0331923293.

The spelling of 5668632257 in words is "five billion, six hundred sixty-eight million, six hundred thirty-two thousand, two hundred fifty-seven".