6805461851 has 2 divisors, whose sum is σ = 6805461852. Its totient is φ = 6805461850.

The previous prime is 6805461841. The next prime is 6805461863. The reversal of 6805461851 is 1581645086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6805461851 - 2¹⁸ = 6805199707 is a prime.

It is a super-2 number, since 2×6805461851² = 92628622010832692402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6805461821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402730925 + 3402730926.

It is an arithmetic number, because the mean of its divisors is an integer number (3402730926).

Almost surely, 2^6805461851 is an apocalyptic number.

6805461851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6805461851 is an equidigital number, since it uses as much as digits as its factorization.

6805461851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 6805461851 is about 82495.2232011042. The cubic root of 6805461851 is about 1895.0435776419.

The spelling of 6805461851 in words is "six billion, eight hundred five million, four hundred sixty-one thousand, eight hundred fifty-one".