5421768912 has 80 divisors (see below), whose sum is σ = 17785706880. Its totient is φ = 1549075968.

The previous prime is 5421768887. The next prime is 5421768929. The reversal of 5421768912 is 2198671245.

5421768912 is a `hidden beast` number, since 542 + 17 + 6 + 8 + 91 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893433 + ... + 899480.

It is an arithmetic number, because the mean of its divisors is an integer number (222321336).

Almost surely, 2^5421768912 is an apocalyptic number.

It is an amenable number.

5421768912 is an abundant number, since it is smaller than the sum of its proper divisors (12363937968).

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

5421768912 is a wasteful number, since it uses less digits than its factorization.

5421768912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792937 (or 1792925 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 5421768912 is about 73632.6619918090. The cubic root of 5421768912 is about 1756.7649889257.

The spelling of 5421768912 in words is "five billion, four hundred twenty-one million, seven hundred sixty-eight thousand, nine hundred twelve".