6448427143500 has 96 divisors (see below), whose sum is σ = 18872181619200. Its totient is φ = 1710939384000.

The previous prime is 6448427143471. The next prime is 6448427143519. The reversal of 6448427143500 is 53417248446.

It is a self number, because there is not a number n which added to its sum of digits gives 6448427143500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10502886 + ... + 11099885.

It is an arithmetic number, because the mean of its divisors is an integer number (196585225200).

Almost surely, 2^{6448427143500} is an apocalyptic number.

6448427143500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6448427143500 is an abundant number, since it is smaller than the sum of its proper divisors (12423754475700).

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

6448427143500 is a wasteful number, since it uses less digits than its factorization.

6448427143500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21602992 (or 21602980 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 6448427143500 in words is "six trillion, four hundred forty-eight billion, four hundred twenty-seven million, one hundred forty-three thousand, five hundred".