2112456562439 has 2 divisors, whose sum is σ = 2112456562440. Its totient is φ = 2112456562438.

The previous prime is 2112456562423. The next prime is 2112456562451. The reversal of 2112456562439 is 9342656542112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112456562439 - 2⁴ = 2112456562423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112456562939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056228281219 + 1056228281220.

It is an arithmetic number, because the mean of its divisors is an integer number (1056228281220).

Almost surely, 2^{2112456562439} is an apocalyptic number.

2112456562439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112456562439 is an equidigital number, since it uses as much as digits as its factorization.

2112456562439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 50.

The spelling of 2112456562439 in words is "two trillion, one hundred twelve billion, four hundred fifty-six million, five hundred sixty-two thousand, four hundred thirty-nine".