6894403632 has 120 divisors (see below), whose sum is σ = 19589881584. Its totient is φ = 2263168512.

The previous prime is 6894403619. The next prime is 6894403639. The reversal of 6894403632 is 2363044986.

6894403632 is a `hidden beast` number, since 6 + 8 + 9 + 4 + 4 + 0 + 3 + 632 = 666.

It is not an unprimeable number, because it can be changed into a prime (6894403639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4744218 + ... + 4745670.

Almost surely, 2^6894403632 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 6894403632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9794940792).

6894403632 is an abundant number, since it is smaller than the sum of its proper divisors (12695477952).

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

6894403632 is a wasteful number, since it uses less digits than its factorization.

6894403632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947 (or 1938 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 6894403632 is about 83032.5456191727. The cubic root of 6894403632 is about 1903.2634249835.

The spelling of 6894403632 in words is "six billion, eight hundred ninety-four million, four hundred three thousand, six hundred thirty-two".