6805964457 has 6 divisors (see below), whose sum is σ = 9830837562. Its totient is φ = 4537309632.

The previous prime is 6805964423. The next prime is 6805964491. The reversal of 6805964457 is 7544695086.

6805964457 is a `hidden beast` number, since 6 + 8 + 0 + 596 + 4 + 45 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (6805964423) and next prime (6805964491).

It can be written as a sum of positive squares in only one way, i.e., 6750922896 + 55041561 = 82164^2 + 7419^2 .

It is not a de Polignac number, because 6805964457 - 2⁷ = 6805964329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6805964497) 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 in 5 ways as a sum of consecutive naturals, for example, 378109128 + ... + 378109145.

It is an arithmetic number, because the mean of its divisors is an integer number (1638472927).

Almost surely, 2^6805964457 is an apocalyptic number.

It is an amenable number.

6805964457 is a deficient number, since it is larger than the sum of its proper divisors (3024873105).

6805964457 is a wasteful number, since it uses less digits than its factorization.

6805964457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756218279 (or 756218276 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 6805964457 is about 82498.2694182126. The cubic root of 6805964457 is about 1895.0902282512.

The spelling of 6805964457 in words is "six billion, eight hundred five million, nine hundred sixty-four thousand, four hundred fifty-seven".