5681882729 has 2 divisors, whose sum is σ = 5681882730. Its totient is φ = 5681882728.

The previous prime is 5681882719. The next prime is 5681882753. The reversal of 5681882729 is 9272881865.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2910386704 + 2771496025 = 53948^2 + 52645^2 .

It is a cyclic number.

It is not a de Polignac number, because 5681882729 - 2⁸ = 5681882473 is a prime.

It is a super-2 number, since 2×5681882729² = 64567582692216974882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5681882719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840941364 + 2840941365.

It is an arithmetic number, because the mean of its divisors is an integer number (2840941365).

Almost surely, 2^5681882729 is an apocalyptic number.

It is an amenable number.

5681882729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681882729 is an equidigital number, since it uses as much as digits as its factorization.

5681882729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 56.

The square root of 5681882729 is about 75378.2643007916. The cubic root of 5681882729 is about 1784.4213958977.

The spelling of 5681882729 in words is "five billion, six hundred eighty-one million, eight hundred eighty-two thousand, seven hundred twenty-nine".