2143409403744 has 192 divisors, whose sum is σ = 7290509184000. Its totient is φ = 612402602112.

The previous prime is 2143409403743. The next prime is 2143409403749. The reversal of 2143409403744 is 4473049043412.

2143409403744 is a `hidden beast` number, since 214 + 340 + 94 + 0 + 3 + 7 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2143409403744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143409403743) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3319972 + ... + 3912675.

It is an arithmetic number, because the mean of its divisors is an integer number (37971402000).

Almost surely, 2^{2143409403744} is an apocalyptic number.

2143409403744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2143409403744 is an abundant number, since it is smaller than the sum of its proper divisors (5147099780256).

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

2143409403744 is an equidigital number, since it uses as much as digits as its factorization.

2143409403744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232687 (or 7232659 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 2143409403744 in words is "two trillion, one hundred forty-three billion, four hundred nine million, four hundred three thousand, seven hundred forty-four".