2143143217361 has 8 divisors (see below), whose sum is σ = 2150790001920. Its totient is φ = 2135509652848.

The previous prime is 2143143217357. The next prime is 2143143217399. The reversal of 2143143217361 is 1637123413412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143143217361 - 2² = 2143143217357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143143210361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2980151 + ... + 3628716.

It is an arithmetic number, because the mean of its divisors is an integer number (268848750240).

Almost surely, 2^{2143143217361} is an apocalyptic number.

It is an amenable number.

2143143217361 is a deficient number, since it is larger than the sum of its proper divisors (7646784559).

2143143217361 is an equidigital number, since it uses as much as digits as its factorization.

2143143217361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610023.

The product of its digits is 72576, while the sum is 38.

The spelling of 2143143217361 in words is "two trillion, one hundred forty-three billion, one hundred forty-three million, two hundred seventeen thousand, three hundred sixty-one".