6437944496 has 80 divisors (see below), whose sum is σ = 13304624640. Its totient is φ = 3009312000.

The previous prime is 6437944493. The next prime is 6437944511. The reversal of 6437944496 is 6944497346.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6437944493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8572121 + ... + 8572871.

It is an arithmetic number, because the mean of its divisors is an integer number (166307808).

Almost surely, 2^6437944496 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 6437944496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6652312320).

6437944496 is an abundant number, since it is smaller than the sum of its proper divisors (6866680144).

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

6437944496 is a wasteful number, since it uses less digits than its factorization.

6437944496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1108 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 56.

The square root of 6437944496 is about 80236.8026282204. The cubic root of 6437944496 is about 1860.2975297732.

The spelling of 6437944496 in words is "six billion, four hundred thirty-seven million, nine hundred forty-four thousand, four hundred ninety-six".