5681627573 has 4 divisors (see below), whose sum is σ = 5698487340. Its totient is φ = 5664767808.

The previous prime is 5681627569. The next prime is 5681627617. The reversal of 5681627573 is 3757261865.

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 1130506129 + 4551121444 = 33623^2 + 67462^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681627573 - 2² = 5681627569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681627503) 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, 8429378 + ... + 8430051.

It is an arithmetic number, because the mean of its divisors is an integer number (1424621835).

Almost surely, 2^5681627573 is an apocalyptic number.

It is an amenable number.

5681627573 is a deficient number, since it is larger than the sum of its proper divisors (16859767).

5681627573 is a wasteful number, since it uses less digits than its factorization.

5681627573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16859766.

The product of its digits is 2116800, while the sum is 50.

The square root of 5681627573 is about 75376.5717779736. The cubic root of 5681627573 is about 1784.3946845262.

The spelling of 5681627573 in words is "five billion, six hundred eighty-one million, six hundred twenty-seven thousand, five hundred seventy-three".