6894403584 has 240 divisors, whose sum is σ = 20081714688. Its totient is φ = 2095054848.

The previous prime is 6894403583. The next prime is 6894403613. The reversal of 6894403584 is 4853044986.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6894403583) 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, 30916497 + ... + 30916719.

Almost surely, 2^6894403584 is an apocalyptic number.

6894403584 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 6894403584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10040857344).

6894403584 is an abundant number, since it is smaller than the sum of its proper divisors (13187311104).

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

6894403584 is a wasteful number, since it uses less digits than its factorization.

6894403584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The square root of 6894403584 is about 83032.5453301294. The cubic root of 6894403584 is about 1903.2634205666.

The spelling of 6894403584 in words is "six billion, eight hundred ninety-four million, four hundred three thousand, five hundred eighty-four".