6454027729728 has 196 divisors, whose sum is σ = 20331566659620. Its totient is φ = 2024792764416.

The previous prime is 6454027729717. The next prime is 6454027729733. The reversal of 6454027729728 is 8279277204546.

It is a happy number.

6454027729728 is a `hidden beast` number, since 6 + 4 + 54 + 0 + 277 + 297 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2826191352384 + 3627836377344 = 1681128^2 + 1904688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3275443 + ... + 4861746.

Almost surely, 2^{6454027729728} is an apocalyptic number.

6454027729728 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6454027729728 is an abundant number, since it is smaller than the sum of its proper divisors (13877538929892).

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

6454027729728 is an equidigital number, since it uses as much as digits as its factorization.

6454027729728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8137236 (or 8137211 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 6454027729728 in words is "six trillion, four hundred fifty-four billion, twenty-seven million, seven hundred twenty-nine thousand, seven hundred twenty-eight".