6804446505457 has 4 divisors (see below), whose sum is σ = 6804452247796. Its totient is φ = 6804440763120.

The previous prime is 6804446505421. The next prime is 6804446505463. The reversal of 6804446505457 is 7545056444086.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4290204980961 + 2514241524496 = 2071281^2 + 1585636^2 .

It is a cyclic number.

It is not a de Polignac number, because 6804446505457 - 2³⁵ = 6770086767089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6804446515457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363894 + ... + 3706927.

It is an arithmetic number, because the mean of its divisors is an integer number (1701113061949).

Almost surely, 2^{6804446505457} is an apocalyptic number.

It is an amenable number.

6804446505457 is a deficient number, since it is larger than the sum of its proper divisors (5742339).

6804446505457 is a wasteful number, since it uses less digits than its factorization.

6804446505457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742338.

The product of its (nonzero) digits is 64512000, while the sum is 58.

The spelling of 6804446505457 in words is "six trillion, eight hundred four billion, four hundred forty-six million, five hundred five thousand, four hundred fifty-seven".