6735447981012 has 24 divisors (see below), whose sum is σ = 15830760951936. Its totient is φ = 2228761375168.

The previous prime is 6735447980929. The next prime is 6735447981013. The reversal of 6735447981012 is 2101897445376.

It is a super-2 number, since 2×6735447981012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6735447981013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048492268 + ... + 2048495555.

It is an arithmetic number, because the mean of its divisors is an integer number (659615039664).

It is a 2-persistent number, because it is pandigital, and so is 2⋅6735447981012 = 13470895962024, but 3⋅6735447981012 = 20206343943036 is not.

Almost surely, 2^{6735447981012} is an apocalyptic number.

It is an amenable number.

6735447981012 is an abundant number, since it is smaller than the sum of its proper divisors (9095312970924).

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

6735447981012 is a wasteful number, since it uses less digits than its factorization.

6735447981012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096987967 (or 4096987965 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 6735447981012 in words is "six trillion, seven hundred thirty-five billion, four hundred forty-seven million, nine hundred eighty-one thousand, twelve".