2134443045643 has 4 divisors (see below), whose sum is σ = 2134882145968. Its totient is φ = 2134003945320.

The previous prime is 2134443045617. The next prime is 2134443045653. The reversal of 2134443045643 is 3465403444312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134443045643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2134443045643.

It is not an unprimeable number, because it can be changed into a prime (2134443045613) 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, 219542871 + ... + 219552592.

It is an arithmetic number, because the mean of its divisors is an integer number (533720536492).

Almost surely, 2^{2134443045643} is an apocalyptic number.

2134443045643 is a deficient number, since it is larger than the sum of its proper divisors (439100325).

2134443045643 is an equidigital number, since it uses as much as digits as its factorization.

2134443045643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439100324.

The product of its (nonzero) digits is 1658880, while the sum is 43.

Adding to 2134443045643 its reverse (3465403444312), we get a palindrome (5599846489955).

The spelling of 2134443045643 in words is "two trillion, one hundred thirty-four billion, four hundred forty-three million, forty-five thousand, six hundred forty-three".