6446402846 has 8 divisors (see below), whose sum is σ = 10413420024. Its totient is φ = 2975262840.

The previous prime is 6446402827. The next prime is 6446402881. The reversal of 6446402846 is 6482046446.

6446402846 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6446402846² = 83112219305833799432, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6446402797 and 6446402806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123969260 + ... + 123969311.

It is an arithmetic number, because the mean of its divisors is an integer number (1301677503).

Almost surely, 2^6446402846 is an apocalyptic number.

6446402846 is a deficient number, since it is larger than the sum of its proper divisors (3967017178).

6446402846 is a wasteful number, since it uses less digits than its factorization.

6446402846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247938586.

The product of its (nonzero) digits is 884736, while the sum is 44.

The square root of 6446402846 is about 80289.4939951673. The cubic root of 6446402846 is about 1861.1118767333. Note that the first 3 decimals are identical.

The spelling of 6446402846 in words is "six billion, four hundred forty-six million, four hundred two thousand, eight hundred forty-six".