5681371817 has 8 divisors (see below), whose sum is σ = 6411579840. Its totient is φ = 4986783760.

The previous prime is 5681371807. The next prime is 5681371819. The reversal of 5681371817 is 7181731865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5681371817 - 2¹⁸ = 5681109673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5681371819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8904653 + ... + 8905290.

It is an arithmetic number, because the mean of its divisors is an integer number (801447480).

Almost surely, 2^5681371817 is an apocalyptic number.

It is an amenable number.

5681371817 is a deficient number, since it is larger than the sum of its proper divisors (730208023).

5681371817 is a wasteful number, since it uses less digits than its factorization.

5681371817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17809983.

The product of its digits is 282240, while the sum is 47.

The square root of 5681371817 is about 75374.8752370443. The cubic root of 5681371817 is about 1784.3679095403.

The spelling of 5681371817 in words is "five billion, six hundred eighty-one million, three hundred seventy-one thousand, eight hundred seventeen".