6403543104 has 112 divisors (see below), whose sum is σ = 19728655488. Its totient is φ = 1795043328.

The previous prime is 6403543093. The next prime is 6403543109. The reversal of 6403543104 is 4013453046.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (6403543109) 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, 26284 + ... + 116180.

Almost surely, 2^6403543104 is an apocalyptic number.

6403543104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6403543104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9864327744).

6403543104 is an abundant number, since it is smaller than the sum of its proper divisors (13325112384).

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

6403543104 is a wasteful number, since it uses less digits than its factorization.

6403543104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89972 (or 89962 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6403543104 is about 80022.1413360077. The cubic root of 6403543104 is about 1856.9780875716.

The spelling of 6403543104 in words is "six billion, four hundred three million, five hundred forty-three thousand, one hundred four".