6522389485920 has 1536 divisors, whose sum is σ = 30341703168000. Its totient is φ = 1266853478400.

The previous prime is 6522389485919. The next prime is 6522389485943. The reversal of 6522389485920 is 295849832256.

6522389485920 is a `hidden beast` number, since 6 + 5 + 2 + 2 + 38 + 9 + 4 + 8 + 592 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 842573250 + ... + 842580990.

It is an arithmetic number, because the mean of its divisors is an integer number (19753713000).

Almost surely, 2^{6522389485920} is an apocalyptic number.

6522389485920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6522389485920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15170851584000).

6522389485920 is an abundant number, since it is smaller than the sum of its proper divisors (23819313682080).

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

6522389485920 is a wasteful number, since it uses less digits than its factorization.

6522389485920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949 (or 7935 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 6522389485920 in words is "six trillion, five hundred twenty-two billion, three hundred eighty-nine million, four hundred eighty-five thousand, nine hundred twenty".