6539882436 has 24 divisors (see below), whose sum is σ = 16955251040. Its totient is φ = 2179960776.

The previous prime is 6539882431. The next prime is 6539882467. The reversal of 6539882436 is 6342889356.

6539882436 is a `hidden beast` number, since 6 + 5 + 398 + 8 + 243 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6539882431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30277126 + ... + 30277341.

Almost surely, 2^6539882436 is an apocalyptic number.

It is an amenable number.

6539882436 is an abundant number, since it is smaller than the sum of its proper divisors (10415368604).

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

6539882436 is a wasteful number, since it uses less digits than its factorization.

6539882436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60554480 (or 60554472 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 6539882436 is about 80869.5396054658. The cubic root of 6539882436 is about 1870.0647633113.

The spelling of 6539882436 in words is "six billion, five hundred thirty-nine million, eight hundred eighty-two thousand, four hundred thirty-six".