6539454432 has 384 divisors, whose sum is σ = 22475335680. Its totient is φ = 1811496960.

The previous prime is 6539454419. The next prime is 6539454443. The reversal of 6539454432 is 2344549356.

6539454432 is a `hidden beast` number, since 6 + 539 + 45 + 44 + 32 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41652498 + ... + 41652654.

It is an arithmetic number, because the mean of its divisors is an integer number (58529520).

Almost surely, 2^6539454432 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 6539454432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11237667840).

6539454432 is an abundant number, since it is smaller than the sum of its proper divisors (15935881248).

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

6539454432 is a wasteful number, since it uses less digits than its factorization.

6539454432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 337 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 6539454432 is about 80866.8933000397. The cubic root of 6539454432 is about 1870.0239668256.

The spelling of 6539454432 in words is "six billion, five hundred thirty-nine million, four hundred fifty-four thousand, four hundred thirty-two".