5683521637 has 4 divisors (see below), whose sum is σ = 5683672800. Its totient is φ = 5683370476.

The previous prime is 5683521629. The next prime is 5683521643. The reversal of 5683521637 is 7361253865.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5683521637 - 2³ = 5683521629 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 (5683521607) 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, 29718 + ... + 110680.

It is an arithmetic number, because the mean of its divisors is an integer number (1420918200).

Almost surely, 2^5683521637 is an apocalyptic number.

It is an amenable number.

5683521637 is a deficient number, since it is larger than the sum of its proper divisors (151163).

5683521637 is an equidigital number, since it uses as much as digits as its factorization.

5683521637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151162.

The product of its digits is 907200, while the sum is 46.

The square root of 5683521637 is about 75389.1347410222. The cubic root of 5683521637 is about 1784.5929482686.

The spelling of 5683521637 in words is "five billion, six hundred eighty-three million, five hundred twenty-one thousand, six hundred thirty-seven".