2144405125427 has 2 divisors, whose sum is σ = 2144405125428. Its totient is φ = 2144405125426.

The previous prime is 2144405125399. The next prime is 2144405125441. The reversal of 2144405125427 is 7245215044412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144405125427 - 2⁸ = 2144405125171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144405175427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072202562713 + 1072202562714.

It is an arithmetic number, because the mean of its divisors is an integer number (1072202562714).

Almost surely, 2^{2144405125427} is an apocalyptic number.

2144405125427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144405125427 is an equidigital number, since it uses as much as digits as its factorization.

2144405125427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 358400, while the sum is 41.

The spelling of 2144405125427 in words is "two trillion, one hundred forty-four billion, four hundred five million, one hundred twenty-five thousand, four hundred twenty-seven".