6453449188928 has 336 divisors, whose sum is σ = 15836839755264. Its totient is φ = 2597384724480.

The previous prime is 6453449188877. The next prime is 6453449188957. The reversal of 6453449188928 is 8298819443546.

It is a super-2 number, since 2×6453449188928² (a number of 26 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 656300300 + ... + 656310132.

Almost surely, 2^{6453449188928} 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 6453449188928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7918419877632).

6453449188928 is an abundant number, since it is smaller than the sum of its proper divisors (9383390566336).

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

6453449188928 is a wasteful number, since it uses less digits than its factorization.

6453449188928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090 (or 10073 counting only the distinct ones).

The product of its digits is 477757440, while the sum is 71.

The spelling of 6453449188928 in words is "six trillion, four hundred fifty-three billion, four hundred forty-nine million, one hundred eighty-eight thousand, nine hundred twenty-eight".