6239711064 has 16 divisors (see below), whose sum is σ = 15599277720. Its totient is φ = 2079903680.

The previous prime is 6239711063. The next prime is 6239711081. The reversal of 6239711064 is 4601179326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6239711063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129993957 + ... + 129994004.

Almost surely, 2^6239711064 is an apocalyptic number.

It is an amenable number.

6239711064 is an abundant number, since it is smaller than the sum of its proper divisors (9359566656).

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

6239711064 is a wasteful number, since it uses less digits than its factorization.

6239711064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259987970 (or 259987966 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6239711064 is about 78991.8417559687. The cubic root of 6239711064 is about 1841.0044004311.

The spelling of 6239711064 in words is "six billion, two hundred thirty-nine million, seven hundred eleven thousand, sixty-four".