5706442681 has 3 divisors (see below), whose sum is σ = 5706518223. Its totient is φ = 5706367140.

The previous prime is 5706442663. The next prime is 5706442741. The reversal of 5706442681 is 1862446075.

The square root of 5706442681 is 75541.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2861287081 + 2845155600 = 53491^2 + 53340^2 .

It is not a de Polignac number, because 5706442681 - 2¹⁵ = 5706409913 is a prime.

It is a super-2 number, since 2×5706442681² = 65126976143076935522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5706440681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37771 + ... + 113311.

It is an arithmetic number, because the mean of its divisors is an integer number (1902172741).

Almost surely, 2^5706442681 is an apocalyptic number.

5706442681 is the 75541-st square number.

5706442681 is the 37771-st centered octagonal number.

It is an amenable number.

5706442681 is a deficient number, since it is larger than the sum of its proper divisors (75542).

5706442681 is an frugal number, since it uses more digits than its factorization.

5706442681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151082 (or 75541 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The cubic root of 5706442681 is about 1786.9887555872.

The spelling of 5706442681 in words is "five billion, seven hundred six million, four hundred forty-two thousand, six hundred eighty-one".