5647637473 has 4 divisors (see below), whose sum is σ = 5979851460. Its totient is φ = 5315423488.

The previous prime is 5647637461. The next prime is 5647637497. The reversal of 5647637473 is 3747367465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3747367465 = 5 ⋅749473493.

It can be written as a sum of positive squares in 2 ways, for example, as 2351959009 + 3295678464 = 48497^2 + 57408^2 .

It is a cyclic number.

It is not a de Polignac number, because 5647637473 - 2²¹ = 5645540321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5647637473.

It is not an unprimeable number, because it can be changed into a prime (5647637573) 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, 166106968 + ... + 166107001.

It is an arithmetic number, because the mean of its divisors is an integer number (1494962865).

Almost surely, 2^5647637473 is an apocalyptic number.

It is an amenable number.

5647637473 is a deficient number, since it is larger than the sum of its proper divisors (332213987).

5647637473 is a wasteful number, since it uses less digits than its factorization.

5647637473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332213986.

The product of its digits is 8890560, while the sum is 52.

The square root of 5647637473 is about 75150.7649528599. The cubic root of 5647637473 is about 1780.8292093495.

The spelling of 5647637473 in words is "five billion, six hundred forty-seven million, six hundred thirty-seven thousand, four hundred seventy-three".