6449354604 has 144 divisors (see below), whose sum is σ = 21395162880. Its totient is φ = 1586977920.

The previous prime is 6449354603. The next prime is 6449354621. The reversal of 6449354604 is 4064539446.

6449354604 is a `hidden beast` number, since 6 + 4 + 4 + 9 + 35 + 4 + 604 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6449354604.

It is not an unprimeable number, because it can be changed into a prime (6449354603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8559 + ... + 113894.

It is an arithmetic number, because the mean of its divisors is an integer number (148577520).

Almost surely, 2^6449354604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6449354604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10697581440).

6449354604 is an abundant number, since it is smaller than the sum of its proper divisors (14945808276).

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

6449354604 is a wasteful number, since it uses less digits than its factorization.

6449354604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122500 (or 122495 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 6449354604 is about 80307.8738605375. The cubic root of 6449354604 is about 1861.3958962984.

The spelling of 6449354604 in words is "six billion, four hundred forty-nine million, three hundred fifty-four thousand, six hundred four".