5681006431 has 2 divisors, whose sum is σ = 5681006432. Its totient is φ = 5681006430.

The previous prime is 5681006423. The next prime is 5681006459. The reversal of 5681006431 is 1346001865.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5681006431 - 2³ = 5681006423 is a prime.

It is a super-2 number, since 2×5681006431² = 64547668138126715522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5681006731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840503215 + 2840503216.

It is an arithmetic number, because the mean of its divisors is an integer number (2840503216).

Almost surely, 2^5681006431 is an apocalyptic number.

5681006431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5681006431 is an equidigital number, since it uses as much as digits as its factorization.

5681006431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 5681006431 is about 75372.4514063328. The cubic root of 5681006431 is about 1784.3296560426.

The spelling of 5681006431 in words is "five billion, six hundred eighty-one million, six thousand, four hundred thirty-one".