2143214123929 has 2 divisors, whose sum is σ = 2143214123930. Its totient is φ = 2143214123928.

The previous prime is 2143214123893. The next prime is 2143214123957. The reversal of 2143214123929 is 9293214123412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2132052624025 + 11161499904 = 1460155^2 + 105648^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143214123929 - 2⁷ = 2143214123801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143214123989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071607061964 + 1071607061965.

It is an arithmetic number, because the mean of its divisors is an integer number (1071607061965).

Almost surely, 2^{2143214123929} is an apocalyptic number.

It is an amenable number.

2143214123929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143214123929 is an equidigital number, since it uses as much as digits as its factorization.

2143214123929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The spelling of 2143214123929 in words is "two trillion, one hundred forty-three billion, two hundred fourteen million, one hundred twenty-three thousand, nine hundred twenty-nine".