2146123234747 has 2 divisors, whose sum is σ = 2146123234748. Its totient is φ = 2146123234746.

The previous prime is 2146123234729. The next prime is 2146123234793. The reversal of 2146123234747 is 7474323216412.

It is an a-pointer prime, because the next prime (2146123234793) can be obtained adding 2146123234747 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2146123234747 - 2²⁷ = 2145989017019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2146123234697 and 2146123234706.

It is not a weakly prime, because it can be changed into another prime (2146123234847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073061617373 + 1073061617374.

It is an arithmetic number, because the mean of its divisors is an integer number (1073061617374).

Almost surely, 2^{2146123234747} is an apocalyptic number.

2146123234747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146123234747 is an equidigital number, since it uses as much as digits as its factorization.

2146123234747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 46.

The spelling of 2146123234747 in words is "two trillion, one hundred forty-six billion, one hundred twenty-three million, two hundred thirty-four thousand, seven hundred forty-seven".