5718229681 has 4 divisors (see below), whose sum is σ = 5724119664. Its totient is φ = 5712339700.

The previous prime is 5718229661. The next prime is 5718229691. The reversal of 5718229681 is 1869228175.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 5718229681 - 2²¹ = 5716132529 is a prime.

It is a super-2 number, since 2×5718229681² = 65396301369338723522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5718229631) 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, 2943535 + ... + 2945476.

It is an arithmetic number, because the mean of its divisors is an integer number (1431029916).

Almost surely, 2^5718229681 is an apocalyptic number.

It is an amenable number.

5718229681 is a deficient number, since it is larger than the sum of its proper divisors (5889983).

5718229681 is an equidigital number, since it uses as much as digits as its factorization.

5718229681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889982.

The product of its digits is 483840, while the sum is 49.

The square root of 5718229681 is about 75618.9769899064. The cubic root of 5718229681 is about 1788.2182869431.

The spelling of 5718229681 in words is "five billion, seven hundred eighteen million, two hundred twenty-nine thousand, six hundred eighty-one".