5681428463 has 2 divisors, whose sum is σ = 5681428464. Its totient is φ = 5681428462.

The previous prime is 5681428457. The next prime is 5681428499. The reversal of 5681428463 is 3648241865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5681428463 - 2⁴ = 5681428447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681428453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840714231 + 2840714232.

It is an arithmetic number, because the mean of its divisors is an integer number (2840714232).

Almost surely, 2^5681428463 is an apocalyptic number.

5681428463 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681428463 is an equidigital number, since it uses as much as digits as its factorization.

5681428463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 47.

The square root of 5681428463 is about 75375.2509979237. The cubic root of 5681428463 is about 1784.3738398550.

The spelling of 5681428463 in words is "five billion, six hundred eighty-one million, four hundred twenty-eight thousand, four hundred sixty-three".