2143343967293 has 4 divisors (see below), whose sum is σ = 2164153132128. Its totient is φ = 2122534802460.

The previous prime is 2143343967277. The next prime is 2143343967307. The reversal of 2143343967293 is 3927693433412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2143343967293 - 2⁴ = 2143343967277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143343967493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10404582263 + ... + 10404582468.

It is an arithmetic number, because the mean of its divisors is an integer number (541038283032).

Almost surely, 2^{2143343967293} is an apocalyptic number.

It is an amenable number.

2143343967293 is a deficient number, since it is larger than the sum of its proper divisors (20809164835).

2143343967293 is a wasteful number, since it uses less digits than its factorization.

2143343967293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20809164834.

The product of its digits is 17635968, while the sum is 56.

The spelling of 2143343967293 in words is "two trillion, one hundred forty-three billion, three hundred forty-three million, nine hundred sixty-seven thousand, two hundred ninety-three".