2158622234243 has 2 divisors, whose sum is σ = 2158622234244. Its totient is φ = 2158622234242.

The previous prime is 2158622234233. The next prime is 2158622234371. The reversal of 2158622234243 is 3424322268512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2158622234243 - 2⁴ = 2158622234227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158622234194 and 2158622234203.

It is not a weakly prime, because it can be changed into another prime (2158622234233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079311117121 + 1079311117122.

It is an arithmetic number, because the mean of its divisors is an integer number (1079311117122).

Almost surely, 2^{2158622234243} is an apocalyptic number.

2158622234243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158622234243 is an equidigital number, since it uses as much as digits as its factorization.

2158622234243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 44.

The spelling of 2158622234243 in words is "two trillion, one hundred fifty-eight billion, six hundred twenty-two million, two hundred thirty-four thousand, two hundred forty-three".