6449823366 has 32 divisors (see below), whose sum is σ = 14746717440. Its totient is φ = 1842273696.

The previous prime is 6449823311. The next prime is 6449823371. The reversal of 6449823366 is 6633289446.

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, 138400 + ... + 179036.

It is an arithmetic number, because the mean of its divisors is an integer number (460834920).

Almost surely, 2^6449823366 is an apocalyptic number.

6449823366 is an abundant number, since it is smaller than the sum of its proper divisors (8296894074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6449823366 is a wasteful number, since it uses less digits than its factorization.

6449823366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44428.

The product of its digits is 4478976, while the sum is 51.

The square root of 6449823366 is about 80310.7923382655. The cubic root of 6449823366 is about 1861.4409928276.

The spelling of 6449823366 in words is "six billion, four hundred forty-nine million, eight hundred twenty-three thousand, three hundred sixty-six".