6403613033344 has 64 divisors (see below), whose sum is σ = 13051364410080. Its totient is φ = 3128774656000.

The previous prime is 6403613033339. The next prime is 6403613033357. The reversal of 6403613033344 is 4433303163046.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 6403613033297 and 6403613033306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090857 + ... + 4144744.

Almost surely, 2^{6403613033344} is an apocalyptic number.

6403613033344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6403613033344 is an abundant number, since it is smaller than the sum of its proper divisors (6647751376736).

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

6403613033344 is a wasteful number, since it uses less digits than its factorization.

6403613033344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6235799 (or 6235787 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 40.

The spelling of 6403613033344 in words is "six trillion, four hundred three billion, six hundred thirteen million, thirty-three thousand, three hundred forty-four".