5681430247 has 2 divisors, whose sum is σ = 5681430248. Its totient is φ = 5681430246.

The previous prime is 5681430197. The next prime is 5681430259. The reversal of 5681430247 is 7420341865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5681430247 - 2³¹ = 3533946599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681430647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840715123 + 2840715124.

It is an arithmetic number, because the mean of its divisors is an integer number (2840715124).

Almost surely, 2^5681430247 is an apocalyptic number.

5681430247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681430247 is an equidigital number, since it uses as much as digits as its factorization.

5681430247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 5681430247 is about 75375.2628320459. The cubic root of 5681430247 is about 1784.3740266227.

The spelling of 5681430247 in words is "five billion, six hundred eighty-one million, four hundred thirty thousand, two hundred forty-seven".