6804946491965 has 16 divisors (see below), whose sum is σ = 8318022658560. Its totient is φ = 5342869974720.

The previous prime is 6804946491929. The next prime is 6804946491979. The reversal of 6804946491965 is 5691946494086.

It is not a de Polignac number, because 6804946491965 - 2⁶ = 6804946491901 is a prime.

It is a super-2 number, since 2×6804946491965² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18822266 + ... + 19180395.

It is an arithmetic number, because the mean of its divisors is an integer number (519876416160).

Almost surely, 2^{6804946491965} is an apocalyptic number.

It is an amenable number.

6804946491965 is a deficient number, since it is larger than the sum of its proper divisors (1513076166595).

6804946491965 is a wasteful number, since it uses less digits than its factorization.

6804946491965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38003332.

The product of its (nonzero) digits is 403107840, while the sum is 71.

The spelling of 6804946491965 in words is "six trillion, eight hundred four billion, nine hundred forty-six million, four hundred ninety-one thousand, nine hundred sixty-five".