6469537398912 has 384 divisors, whose sum is σ = 22219321939200. Its totient is φ = 1847790766080.

The previous prime is 6469537398887. The next prime is 6469537398937. The reversal of 6469537398912 is 2198937359646.

6469537398912 is a `hidden beast` number, since 6 + 4 + 6 + 9 + 537 + 3 + 9 + 89 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6469537398887) and next prime (6469537398937).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 696168538 + ... + 696177830.

It is an arithmetic number, because the mean of its divisors is an integer number (57862817550).

Almost surely, 2^{6469537398912} 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 6469537398912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11109660969600).

6469537398912 is an abundant number, since it is smaller than the sum of its proper divisors (15749784540288).

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

6469537398912 is a wasteful number, since it uses less digits than its factorization.

6469537398912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13441 (or 13416 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 72.

The spelling of 6469537398912 in words is "six trillion, four hundred sixty-nine billion, five hundred thirty-seven million, three hundred ninety-eight thousand, nine hundred twelve".