6446850355 has 12 divisors (see below), whose sum is σ = 8503449696. Its totient is φ = 4688618000.

The previous prime is 6446850341. The next prime is 6446850359. The reversal of 6446850355 is 5530586446.

It is a de Polignac number, because none of the positive numbers 2^k-6446850355 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6446850359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5327371 + ... + 5328580.

It is an arithmetic number, because the mean of its divisors is an integer number (708620808).

Almost surely, 2^6446850355 is an apocalyptic number.

6446850355 is a deficient number, since it is larger than the sum of its proper divisors (2056599341).

6446850355 is a wasteful number, since it uses less digits than its factorization.

6446850355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655978 (or 10655967 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The square root of 6446850355 is about 80292.2807933615. The cubic root of 6446850355 is about 1861.1549418381.

The spelling of 6446850355 in words is "six billion, four hundred forty-six million, eight hundred fifty thousand, three hundred fifty-five".