646341363 has 12 divisors (see below), whose sum is σ = 968182488. Its totient is φ = 430894080.

The previous prime is 646341349. The next prime is 646341389. The reversal of 646341363 is 363143646.

646341363 is a `hidden beast` number, since 6 + 4 + 634 + 13 + 6 + 3 = 666.

646341363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 646341363 - 2⁴ = 646341347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (646321363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329678 + ... + 1330163.

It is an arithmetic number, because the mean of its divisors is an integer number (80681874).

Almost surely, 2^646341363 is an apocalyptic number.

646341363 is a deficient number, since it is larger than the sum of its proper divisors (321841125).

646341363 is an equidigital number, since it uses as much as digits as its factorization.

646341363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659856 (or 2659844 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 646341363 is about 25423.2445411674. The cubic root of 646341363 is about 864.6107877320.

The spelling of 646341363 in words is "six hundred forty-six million, three hundred forty-one thousand, three hundred sixty-three".