2143483821457 has 32 divisors (see below), whose sum is σ = 2450599557120. Its totient is φ = 1855822869120.

The previous prime is 2143483821419. The next prime is 2143483821469. The reversal of 2143483821457 is 7541283843412.

It is not a de Polignac number, because 2143483821457 - 2²⁷ = 2143349603729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143483831457) 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, 94427733 + ... + 94450429.

It is an arithmetic number, because the mean of its divisors is an integer number (76581236160).

Almost surely, 2^{2143483821457} is an apocalyptic number.

It is an amenable number.

2143483821457 is a deficient number, since it is larger than the sum of its proper divisors (307115735663).

2143483821457 is a wasteful number, since it uses less digits than its factorization.

2143483821457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333.

The product of its digits is 5160960, while the sum is 52.

The spelling of 2143483821457 in words is "two trillion, one hundred forty-three billion, four hundred eighty-three million, eight hundred twenty-one thousand, four hundred fifty-seven".