6403472336 has 40 divisors (see below), whose sum is σ = 12501596424. Its totient is φ = 3177308160.

The previous prime is 6403472333. The next prime is 6403472353. The reversal of 6403472336 is 6332743046.

It can be written as a sum of positive squares in 4 ways, for example, as 265690000 + 6137782336 = 16300^2 + 78344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6403472336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403472333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417896 + ... + 3419768.

Almost surely, 2^6403472336 is an apocalyptic number.

It is an amenable number.

6403472336 is a deficient number, since it is larger than the sum of its proper divisors (6098124088).

6403472336 is a wasteful number, since it uses less digits than its factorization.

6403472336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 38.

The square root of 6403472336 is about 80021.6991571661. The cubic root of 6403472336 is about 1856.9712468218.

The spelling of 6403472336 in words is "six billion, four hundred three million, four hundred seventy-two thousand, three hundred thirty-six".