2143071446450 has 24 divisors (see below), whose sum is σ = 4348486790640. Its totient is φ = 779298707600.

The previous prime is 2143071446431. The next prime is 2143071446491. The reversal of 2143071446450 is 546441703412.

It is a junction number, because it is equal to n+sod(n) for n = 2143071446398 and 2143071446407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948246220 + ... + 1948247319.

It is an arithmetic number, because the mean of its divisors is an integer number (181186949610).

Almost surely, 2^{2143071446450} is an apocalyptic number.

2143071446450 is an abundant number, since it is smaller than the sum of its proper divisors (2205415344190).

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

2143071446450 is a wasteful number, since it uses less digits than its factorization.

2143071446450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896493562 (or 3896493557 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 2143071446450 in words is "two trillion, one hundred forty-three billion, seventy-one million, four hundred forty-six thousand, four hundred fifty".