2134243012873 has 2 divisors, whose sum is σ = 2134243012874. Its totient is φ = 2134243012872.

The previous prime is 2134243012861. The next prime is 2134243012883. The reversal of 2134243012873 is 3782103424312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2069578591609 + 64664421264 = 1438603^2 + 254292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134243012873 - 2²⁵ = 2134209458441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2134243012813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067121506436 + 1067121506437.

It is an arithmetic number, because the mean of its divisors is an integer number (1067121506437).

Almost surely, 2^{2134243012873} is an apocalyptic number.

It is an amenable number.

2134243012873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134243012873 is an equidigital number, since it uses as much as digits as its factorization.

2134243012873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 2134243012873 in words is "two trillion, one hundred thirty-four billion, two hundred forty-three million, twelve thousand, eight hundred seventy-three".