5637213647 has 4 divisors (see below), whose sum is σ = 6070845480. Its totient is φ = 5203581816.

The previous prime is 5637213623. The next prime is 5637213653. The reversal of 5637213647 is 7463127365.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5637213647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5637213598 and 5637213607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5637213947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216815897 + ... + 216815922.

It is an arithmetic number, because the mean of its divisors is an integer number (1517711370).

Almost surely, 2^5637213647 is an apocalyptic number.

5637213647 is a deficient number, since it is larger than the sum of its proper divisors (433631833).

5637213647 is a wasteful number, since it uses less digits than its factorization.

5637213647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433631832.

The product of its digits is 635040, while the sum is 44.

The square root of 5637213647 is about 75081.3801617951. The cubic root of 5637213647 is about 1779.7329110468.

The spelling of 5637213647 in words is "five billion, six hundred thirty-seven million, two hundred thirteen thousand, six hundred forty-seven".