6523063956 has 72 divisors (see below), whose sum is σ = 16785306720. Its totient is φ = 2135571264.

The previous prime is 6523063951. The next prime is 6523063973. The reversal of 6523063956 is 6593603256.

6523063956 is a `hidden beast` number, since 6 + 5 + 2 + 3 + 0 + 639 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6523063951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510615 + ... + 523233.

It is an arithmetic number, because the mean of its divisors is an integer number (233129260).

Almost surely, 2^6523063956 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 6523063956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8392653360).

6523063956 is an abundant number, since it is smaller than the sum of its proper divisors (10262242764).

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

6523063956 is a wasteful number, since it uses less digits than its factorization.

6523063956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12885 (or 12880 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 45.

The square root of 6523063956 is about 80765.4874064411. The cubic root of 6523063956 is about 1868.4603182316.

The spelling of 6523063956 in words is "six billion, five hundred twenty-three million, sixty-three thousand, nine hundred fifty-six".