6805531451 has 2 divisors, whose sum is σ = 6805531452. Its totient is φ = 6805531450.

The previous prime is 6805531441. The next prime is 6805531459. The reversal of 6805531451 is 1541355086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6805531451 is a prime.

It is not a weakly prime, because it can be changed into another prime (6805531459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402765725 + 3402765726.

It is an arithmetic number, because the mean of its divisors is an integer number (3402765726).

Almost surely, 2^6805531451 is an apocalyptic number.

6805531451 is a deficient number, since it is larger than the sum of its proper divisors (1).

6805531451 is an equidigital number, since it uses as much as digits as its factorization.

6805531451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 6805531451 is about 82495.6450426324. The cubic root of 6805531451 is about 1895.0500378737.

The spelling of 6805531451 in words is "six billion, eight hundred five million, five hundred thirty-one thousand, four hundred fifty-one".