6353529012 has 72 divisors (see below), whose sum is σ = 16323620040. Its totient is φ = 2083276800.

The previous prime is 6353529011. The next prime is 6353529041. The reversal of 6353529012 is 2109253536.

6353529012 is a `hidden beast` number, since 6 + 353 + 5 + 290 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4685950116 + 1667578896 = 68454^2 + 40836^2 .

It is a super-2 number, since 2×6353529012² = 80734661812651392288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6353529011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050814 + ... + 1056842.

It is an arithmetic number, because the mean of its divisors is an integer number (226716945).

Almost surely, 2^6353529012 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 6353529012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8161810020).

6353529012 is an abundant number, since it is smaller than the sum of its proper divisors (9970091028).

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

6353529012 is a wasteful number, since it uses less digits than its factorization.

6353529012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6508 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 6353529012 is about 79709.0271675674. The cubic root of 6353529012 is about 1852.1308791565.

The spelling of 6353529012 in words is "six billion, three hundred fifty-three million, five hundred twenty-nine thousand, twelve".