6713523648 has 420 divisors, whose sum is σ = 22047342240. Its totient is φ = 2018525184.

The previous prime is 6713523647. The next prime is 6713523697. The reversal of 6713523648 is 8463253176.

6713523648 is a `hidden beast` number, since 67 + 1 + 3 + 523 + 64 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6713523647) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 69211536 + ... + 69211632.

It is an arithmetic number, because the mean of its divisors is an integer number (52493672).

Almost surely, 2^6713523648 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 6713523648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11023671120).

6713523648 is an abundant number, since it is smaller than the sum of its proper divisors (15333818592).

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

6713523648 is a wasteful number, since it uses less digits than its factorization.

6713523648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 194 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 6713523648 is about 81936.0949032842. The cubic root of 6713523648 is about 1886.4711780924.

The spelling of 6713523648 in words is "six billion, seven hundred thirteen million, five hundred twenty-three thousand, six hundred forty-eight".